From 31ef921ef2a8e0ab06c55ebe5acf883d2f3ad885 Mon Sep 17 00:00:00 2001
From: Delyan Angelov <delian66@gmail.com>
Date: Thu, 15 Oct 2020 16:17:52 +0300
Subject: [PATCH] ci: fix warnings/errors due to the vfmt change

---
 cmd/tools/check-md.v            |   1 -
 cmd/tools/check_os_api_parity.v |  26 +--
 cmd/tools/gen1m.v               |   7 +-
 cmd/tools/gen_vc.v              |   2 +-
 cmd/tools/modules/vgit/vgit.v   |   6 +-
 cmd/tools/performance_compare.v |   2 +-
 cmd/tools/repeat.v              | 101 +++++++-----
 cmd/tools/vbin2v.v              |  30 ++--
 cmd/tools/vbuild-tools.v        |   3 +-
 cmd/tools/vbuild-vbinaries.v    |   4 +-
 cmd/tools/vcreate.v             |   2 +-
 cmd/tools/vdoc.v                |  33 ++--
 cmd/tools/vdoctor.v             |   3 +-
 cmd/tools/vfmt.v                |   2 +-
 cmd/tools/vnames.v              |  87 ----------
 cmd/tools/vpm.v                 |  13 +-
 cmd/tools/vrepl.v               |   2 +-
 cmd/tools/vself.v               |   8 +-
 cmd/tools/vsetup-freetype.v     |   7 +-
 cmd/tools/vsymlink.v            |  50 ++----
 cmd/tools/vtest-fmt.v           |   8 +-
 cmd/tools/vtest.v               |   9 +-
 vlib/flag/flag.v                | 181 ++++++++++----------
 vlib/flag/flag_test.v           |   2 +-
 vlib/net/http/backend_nix.c.v   |   2 +-
 vlib/net/http/download.v        |   2 +-
 vlib/net/http/download_nix.c.v  |   4 +-
 vlib/net/http/http.v            |  69 ++++----
 vlib/net/http/http_test.v       |  38 +++--
 vlib/net/socket.v               |  28 ++--
 vlib/net/urllib/urllib.v        | 282 +++++++++++++++-----------------
 vlib/net/urllib/values.v        |   8 +-
 vlib/v/doc/doc.v                |  10 +-
 33 files changed, 464 insertions(+), 568 deletions(-)
 delete mode 100644 cmd/tools/vnames.v

diff --git a/cmd/tools/check-md.v b/cmd/tools/check-md.v
index f4578df44..bfa442982 100644
--- a/cmd/tools/check-md.v
+++ b/cmd/tools/check-md.v
@@ -27,5 +27,4 @@ fn main() {
 		exit(1)
 	}
 	*/
-
 }
diff --git a/cmd/tools/check_os_api_parity.v b/cmd/tools/check_os_api_parity.v
index 7fd27c86a..4d3054cfb 100644
--- a/cmd/tools/check_os_api_parity.v
+++ b/cmd/tools/check_os_api_parity.v
@@ -11,13 +11,19 @@ const (
 	base_os      = 'linux'
 	os_names     = ['linux', 'macos', 'windows']
 	skip_modules = [
-		'builtin.bare', 'builtin.js',
-		'strconv', 'strconv.ftoa', 'hash', 'strings',
+		'builtin.bare',
+		'builtin.js',
+		'strconv',
+		'strconv.ftoa',
+		'hash',
+		'strings',
 		'crypto.rand',
-		'os.bare', 'os2',
-		'picohttpparser', 'picoev',
+		'os.bare',
+		'os2',
+		'picohttpparser',
+		'picoev',
 		'szip',
-		'v.eval'
+		'v.eval',
 	]
 )
 
@@ -44,7 +50,7 @@ fn main() {
 	}
 	for mname in app.modules {
 		if !app.is_verbose {
-			eprintln('Checking module: ${mname} ...')
+			eprintln('Checking module: $mname ...')
 		}
 		api_base := app.gen_api_for_module_in_os(mname, base_os)
 		for oname in os_names {
@@ -85,7 +91,7 @@ fn all_vlib_modules() []string {
 	return modules
 }
 
-fn (app App) gen_api_for_module_in_os(mod_name, os_name string) string {
+fn (app App) gen_api_for_module_in_os(mod_name string, os_name string) string {
 	if app.is_verbose {
 		eprintln('Checking module: ${mod_name:-30} for OS: ${os_name:-10} ...')
 	}
@@ -102,7 +108,7 @@ fn (app App) gen_api_for_module_in_os(mod_name, os_name string) string {
 					fn_signature := s.stringify(b.table, mod_name)
 					fn_mod := s.modname()
 					if fn_mod == mod_name {
-						fline := '${fn_mod}: $fn_signature'
+						fline := '$fn_mod: $fn_signature'
 						res << fline
 					}
 				}
@@ -113,10 +119,10 @@ fn (app App) gen_api_for_module_in_os(mod_name, os_name string) string {
 	return res.join('\n')
 }
 
-fn (mut app App) compare_api(api_base, api_os, mod_name, os_base, os_target string) {
+fn (mut app App) compare_api(api_base string, api_os string, mod_name string, os_base string, os_target string) {
 	res := util.color_compare_strings(app.diff_cmd, api_base, api_os)
 	if res.len > 0 {
-		summary := 'Different APIs found for module: `${mod_name}`, between OS base: `${os_base}` and OS: `${os_target}`'
+		summary := 'Different APIs found for module: `$mod_name`, between OS base: `$os_base` and OS: `$os_target`'
 		eprintln(term.header(summary, '-'))
 		eprintln(res)
 		eprintln(term.h_divider('-'))
diff --git a/cmd/tools/gen1m.v b/cmd/tools/gen1m.v
index fa1b44a35..19316d193 100644
--- a/cmd/tools/gen1m.v
+++ b/cmd/tools/gen1m.v
@@ -1,7 +1,7 @@
 fn main() {
 	println('fn print(a int) {}')
-	//println('fn println(a string) {}')
-	for i in 0..100000 {
+	// println('fn println(a string) {}')
+	for i in 0 .. 100000 {
 		println('
 fn foo${i}() {
 	x := $i
@@ -13,7 +13,6 @@ fn foo${i}() {
 }
 ')
 	}
-	//println('fn main() {foo1()} ')
+	// println('fn main() {foo1()} ')
 	println('fn main() { println("1m DONE") } ')
-
 }
diff --git a/cmd/tools/gen_vc.v b/cmd/tools/gen_vc.v
index 6b5047dda..b204012b4 100644
--- a/cmd/tools/gen_vc.v
+++ b/cmd/tools/gen_vc.v
@@ -364,7 +364,7 @@ fn (mut gen_vc GenVC) purge_repos() {
 }
 
 // check if file size is too short
-fn (mut gen_vc GenVC) assert_file_exists_and_is_not_too_short(f, emsg string) {
+fn (mut gen_vc GenVC) assert_file_exists_and_is_not_too_short(f string, emsg string) {
 	if !os.exists(f) {
 		gen_vc.logger.error('$err_msg_build: $emsg .')
 		gen_vc.gen_error = true
diff --git a/cmd/tools/modules/vgit/vgit.v b/cmd/tools/modules/vgit/vgit.v
index 89909738b..201f3e00f 100644
--- a/cmd/tools/modules/vgit/vgit.v
+++ b/cmd/tools/modules/vgit/vgit.v
@@ -39,12 +39,12 @@ pub fn line_to_timestamp_and_commit(line string) (int, string) {
 	return parts[0].int(), parts[1]
 }
 
-pub fn normalized_workpath_for_commit(workdir, commit string) string {
+pub fn normalized_workpath_for_commit(workdir string, commit string) string {
 	nc := 'v_at_' + commit.replace('^', '_').replace('-', '_').replace('/', '_')
 	return os.real_path(workdir + os.path_separator + nc)
 }
 
-pub fn prepare_vc_source(vcdir, cdir, commit string) (string, string) {
+pub fn prepare_vc_source(vcdir string, cdir string, commit string) (string, string) {
 	scripting.chdir(cdir)
 	// Building a historic v with the latest vc is not always possible ...
 	// It is more likely, that the vc *at the time of the v commit*,
@@ -62,7 +62,7 @@ pub fn prepare_vc_source(vcdir, cdir, commit string) (string, string) {
 	return v_commithash, vccommit_before
 }
 
-pub fn clone_or_pull(remote_git_url, local_worktree_path string) {
+pub fn clone_or_pull(remote_git_url string, local_worktree_path string) {
 	// NB: after clone_or_pull, the current repo branch is === HEAD === master
 	if os.is_dir(local_worktree_path) && os.is_dir(os.join_path(local_worktree_path, '.git')) {
 		// Already existing ... Just pulling in this case is faster usually.
diff --git a/cmd/tools/performance_compare.v b/cmd/tools/performance_compare.v
index e5b3765b3..54c0cdf14 100644
--- a/cmd/tools/performance_compare.v
+++ b/cmd/tools/performance_compare.v
@@ -64,7 +64,7 @@ fn (c Context) compare_versions() {
 	}
 }
 
-fn (c &Context) prepare_v(cdir, commit string) {
+fn (c &Context) prepare_v(cdir string, commit string) {
 	mut cc := os.getenv('CC')
 	if cc == '' {
 		cc = 'cc'
diff --git a/cmd/tools/repeat.v b/cmd/tools/repeat.v
index 34d2b65b6..d984277d6 100644
--- a/cmd/tools/repeat.v
+++ b/cmd/tools/repeat.v
@@ -10,45 +10,49 @@ import v.util
 
 struct CmdResult {
 mut:
-	runs int
-	cmd string
-	icmd int
+	runs    int
+	cmd     string
+	icmd    int
 	outputs []string
-	oms map[string][]int
+	oms     map[string][]int
 	summary map[string]Aints
 	timings []int
 	atiming Aints
 }
+
 struct Context {
 mut:
-	count int
-	series int
-	warmup int
-	show_help bool
-	show_output bool
+	count                   int
+	series                  int
+	warmup                  int
+	show_help               bool
+	show_output             bool
 	fail_on_regress_percent int
-	fail_on_maxtime int // in ms
-	verbose bool
-	commands []string
-	results []CmdResult
-	cline string // a terminal clearing line
+	fail_on_maxtime         int // in ms
+	verbose                 bool
+	commands                []string
+	results                 []CmdResult
+	cline                   string // a terminal clearing line
 }
 
 struct Aints {
-	values []int
+	values  []int
 mut:
-	imin int
-	imax int
+	imin    int
+	imax    int
 	average f64
-	stddev f64
+	stddev  f64
 }
+
 fn new_aints(vals []int) Aints {
-	mut res := Aints{ values: vals }
+	mut res := Aints{
+		values: vals
+	}
 	mut sum := i64(0)
-	mut imin :=  math.max_i32
+	mut imin := math.max_i32
 	mut imax := -math.max_i32
 	for i in vals {
-		sum+=i
+		sum += i
 		if i < imin {
 			imin = i
 		}
@@ -67,17 +71,22 @@ fn new_aints(vals []int) Aints {
 		x := f64(i) - res.average
 		devsum += (x * x)
 	}
-	res.stddev = math.sqrt( devsum / f64(vals.len) )
+	res.stddev = math.sqrt(devsum / f64(vals.len))
 	return res
 }
-fn (a Aints) str() string { return util.bold('${a.average:9.3f}') + 'ms ± σ: ${a.stddev:-5.1f}ms, min … max: ${a.imin}ms … ${a.imax}ms' }
+
+fn (a Aints) str() string {
+	return util.bold('${a.average:9.3f}') +
+		'ms ± σ: ${a.stddev:-5.1f}ms, min … max: ${a.imin}ms … ${a.imax}ms'
+}
 
 const (
-	max_fail_percent = 100000
-	max_time = 60*1000 // ms
+	max_fail_percent             = 100000
+	max_time                     = 60 * 1000 // ms
 	performance_regression_label = 'Performance regression detected, failing since '
 )
-fn main(){
+
+fn main() {
 	mut context := Context{}
 	context.parse_options()
 	context.run()
@@ -111,7 +120,7 @@ fn (mut context Context) parse_options() {
 		eprintln('Error: ' + err)
 		exit(1)
 	}
-	context.results = []CmdResult{ len: context.commands.len, init: CmdResult{} }
+	context.results = []CmdResult{len: context.commands.len, init: CmdResult{}}
 	context.cline = '\r' + term.h_divider('')
 }
 
@@ -121,7 +130,7 @@ fn (mut context Context) clear_line() {
 
 fn (mut context Context) run() {
 	mut run_warmups := 0
-	for si in 1..context.series+1 {
+	for si in 1 .. context.series + 1 {
 		for icmd, cmd in context.commands {
 			mut runs := 0
 			mut duration := 0
@@ -129,20 +138,22 @@ fn (mut context Context) run() {
 			mut oldres := ''
 			println('Series: ${si:4}/${context.series:-4}, command: $cmd')
 			if context.warmup > 0 && run_warmups < context.commands.len {
-				for i in 1..context.warmup+1 {
+				for i in 1 .. context.warmup + 1 {
 					print('\r warming up run: ${i:4}/${context.warmup:-4} for ${cmd:-50s} took ${duration:6} ms ...')
 					mut sw := time.new_stopwatch({})
-					os.exec(cmd) or { continue }
+					os.exec(cmd) or {
+						continue
+					}
 					duration = int(sw.elapsed().milliseconds())
 				}
 				run_warmups++
 			}
 			context.clear_line()
-			for i in 1..(context.count+1) {
-				avg := f64(sum)/f64(i)
+			for i in 1 .. (context.count + 1) {
+				avg := f64(sum) / f64(i)
 				print('\rAverage: ${avg:9.3f}ms | run: ${i:4}/${context.count:-4} | took ${duration:6} ms')
 				if context.show_output {
-					print(' | result: ${oldres:-s}')
+					print(' | result: ${oldres:s}')
 				}
 				mut sw := time.new_stopwatch({})
 				res := scripting.exec(cmd) or {
@@ -153,7 +164,8 @@ fn (mut context Context) run() {
 					eprintln('${i:10} non 0 exit code for cmd: $cmd')
 					continue
 				}
-				context.results[icmd].outputs << res.output.trim_right('\r\n').replace('\r\n', '\n').split("\n")
+				context.results[icmd].outputs <<
+					res.output.trim_right('\r\n').replace('\r\n', '\n').split('\n')
 				context.results[icmd].timings << duration
 				sum += duration
 				runs++
@@ -165,7 +177,7 @@ fn (mut context Context) run() {
 			context.results[icmd].atiming = new_aints(context.results[icmd].timings)
 			context.clear_line()
 			print('\r')
-			mut m := map[string][]int
+			mut m := map[string][]int{}
 			for o in context.results[icmd].outputs {
 				x := o.split(':')
 				if x.len > 1 {
@@ -175,7 +187,7 @@ fn (mut context Context) run() {
 				}
 			}
 			mut summary := map[string]Aints{}
-			for k,v in m {
+			for k, v in m {
 				// show a temporary summary for the current series/cmd cycle
 				s := new_aints(v)
 				println('  $k: $s')
@@ -183,8 +195,8 @@ fn (mut context Context) run() {
 			}
 			// merge current raw results to the previous ones
 			old_oms := context.results[icmd].oms
-			mut new_oms := map[string][]int
-			for k,v in m {
+			mut new_oms := map[string][]int{}
+			for k, v in m {
 				if old_oms[k].len == 0 {
 					new_oms[k] = v
 				} else {
@@ -193,20 +205,21 @@ fn (mut context Context) run() {
 				}
 			}
 			context.results[icmd].oms = new_oms
-			//println('')
+			// println('')
 		}
 	}
 	// create full summaries, taking account of all runs
-	for icmd in 0..context.results.len {
+	for icmd in 0 .. context.results.len {
 		mut new_full_summary := map[string]Aints{}
-		for k,v in context.results[icmd].oms {
+		for k, v in context.results[icmd].oms {
 			new_full_summary[k] = new_aints(v)
 		}
 		context.results[icmd].summary = new_full_summary
 	}
 }
+
 fn (mut context Context) show_diff_summary() {
-	context.results.sort_with_compare(fn (a, b &CmdResult) int {
+	context.results.sort_with_compare(fn (a &CmdResult, b &CmdResult) int {
 		if a.atiming.average < b.atiming.average {
 			return -1
 		}
@@ -224,7 +237,7 @@ fn (mut context Context) show_diff_summary() {
 		if r.icmd == 0 {
 			first_cmd_percentage = cpercent
 		}
-		println(' ${first_marker}${(i+1):3} | ${cpercent:6.1f}% slower | ${r.cmd:-55s} | ${r.atiming}')
+		println(' $first_marker${(i+1):3} | ${cpercent:6.1f}% slower | ${r.cmd:-55s} | $r.atiming')
 	}
 	$if debugcontext ? {
 		println('context: $context')
@@ -232,7 +245,7 @@ fn (mut context Context) show_diff_summary() {
 	eprintln('base: $base | context.fail_on_maxtime: $context.fail_on_maxtime')
 	if int(base) > context.fail_on_maxtime {
 		print(performance_regression_label)
-		println('average time: ${base:6.1f} ms > ${context.fail_on_maxtime} ms threshold.')
+		println('average time: ${base:6.1f} ms > $context.fail_on_maxtime ms threshold.')
 		exit(2)
 	}
 	if context.fail_on_regress_percent == max_fail_percent || context.results.len < 2 {
diff --git a/cmd/tools/vbin2v.v b/cmd/tools/vbin2v.v
index 6c0f7bd91..06f2a97eb 100644
--- a/cmd/tools/vbin2v.v
+++ b/cmd/tools/vbin2v.v
@@ -5,7 +5,7 @@ import flag
 import strings
 
 const (
-	tool_version = '0.0.4'
+	tool_version     = '0.0.4'
 	tool_description = 'Converts a list of arbitrary files into a single v module file.'
 )
 
@@ -20,29 +20,26 @@ mut:
 
 fn (context Context) header() string {
 	mut header_s := ''
-	header_s += 'module ${context.module_name}\n'
+	header_s += 'module $context.module_name\n'
 	header_s += '\n'
 	allfiles := context.files.join(' ')
-
 	mut options := []string{}
 	if context.prefix.len > 0 {
-		options << '-p ${context.prefix}'
+		options << '-p $context.prefix'
 	}
 	if context.module_name.len > 0 {
-		options << '-m ${context.module_name}'
+		options << '-m $context.module_name'
 	}
 	if context.write_file.len > 0 {
-		options << '-w ${context.write_file}'
+		options << '-w $context.write_file'
 	}
 	soptions := options.join(' ')
-
 	header_s += '// File generated by:\n'
-	header_s += '//    v bin2v ${allfiles} ${soptions}\n'
+	header_s += '//    v bin2v $allfiles $soptions\n'
 	header_s += '// Please, do not edit this file.\n'
 	header_s += '// Your changes may be overwritten.\n'
 	header_s += '\n'
 	header_s += 'const (\n'
-
 	return header_s
 }
 
@@ -54,14 +51,14 @@ fn (context Context) file2v(file string) string {
 	mut sb := strings.new_builder(1000)
 	fname := os.file_name(file)
 	fname_no_dots := fname.replace('.', '_')
-	byte_name := '${context.prefix}${fname_no_dots}'.to_lower()
+	byte_name := '$context.prefix$fname_no_dots'.to_lower()
 	fbytes := os.read_bytes(file) or {
 		eprintln('Error: $err')
 		return ''
 	}
 	fbyte := fbytes[0]
-	sb.write('  ${byte_name}_len = ${fbytes.len}\n')
-	sb.write('  ${byte_name} = [ byte(${fbyte}), \n  ')
+	sb.write('  ${byte_name}_len = $fbytes.len\n')
+	sb.write('  $byte_name = [ byte($fbyte), \n  ')
 	for i := 1; i < fbytes.len; i++ {
 		b := int(fbytes[i]).str()
 		sb.write('${b:4s}, ')
@@ -71,7 +68,6 @@ fn (context Context) file2v(file string) string {
 	}
 	sb.write('\n]!!\n')
 	sb.write('\n')
-
 	return sb.str()
 }
 
@@ -100,19 +96,19 @@ fn main() {
 		exit(0)
 	}
 	context.files = real_files
-
 	if !context.write_file.ends_with('.v') {
 		context.write_file += '.v'
 	}
 	if context.write_file.len > 0 {
-		mut out_file := os.create(context.write_file) or { panic(err) }
+		mut out_file := os.create(context.write_file) or {
+			panic(err)
+		}
 		out_file.write(context.header())
 		for file in real_files {
 			out_file.write(context.file2v(file))
 		}
 		out_file.write(context.footer())
-	}
-	else {
+	} else {
 		println(context.header())
 		for file in real_files {
 			println(context.file2v(file))
diff --git a/cmd/tools/vbuild-tools.v b/cmd/tools/vbuild-tools.v
index 413206eb4..1ef53d93d 100644
--- a/cmd/tools/vbuild-tools.v
+++ b/cmd/tools/vbuild-tools.v
@@ -9,7 +9,8 @@ fn main() {
 	args_string := args[1..].join(' ')
 	skips := []string{}
 	util.ensure_modules_for_all_tools_are_installed('-v' in args)
-	if testing.v_build_failing_skipped(args_string.all_before('build-tools'), 'cmd/tools', skips) {
+	if testing.v_build_failing_skipped(args_string.all_before('build-tools'), 'cmd/tools',
+		skips) {
 		exit(1)
 	}
 }
diff --git a/cmd/tools/vbuild-vbinaries.v b/cmd/tools/vbuild-vbinaries.v
index a4d959e0f..49e297eec 100644
--- a/cmd/tools/vbuild-vbinaries.v
+++ b/cmd/tools/vbuild-vbinaries.v
@@ -3,7 +3,7 @@ module main
 import testing
 
 fn main() {
-	if testing.building_any_v_binaries_failed() { 
-		exit(1) 
+	if testing.building_any_v_binaries_failed() {
+		exit(1)
 	}
 }
diff --git a/cmd/tools/vcreate.v b/cmd/tools/vcreate.v
index 29dbf3c31..85eacadac 100644
--- a/cmd/tools/vcreate.v
+++ b/cmd/tools/vcreate.v
@@ -19,7 +19,7 @@ fn cerror(e string) {
 	eprintln('\nerror: $e')
 }
 
-fn vmod_content(name, desc string) string {
+fn vmod_content(name string, desc string) string {
 	return [
 		'Module {',
 		"	name: '$name'",
diff --git a/cmd/tools/vdoc.v b/cmd/tools/vdoc.v
index 3f8b2952d..cba1766f7 100644
--- a/cmd/tools/vdoc.v
+++ b/cmd/tools/vdoc.v
@@ -207,7 +207,7 @@ fn handle_http_connection(mut con net.Socket, ctx &VdocHttpServerContext) {
 	send_http_response(mut con, 200, ctx.content_type, ctx.docs[filename])
 }
 
-fn send_http_response(mut con net.Socket, http_code int, content_type, html string) {
+fn send_http_response(mut con net.Socket, http_code int, content_type string, html string) {
 	content_length := html.len.str()
 	shttp_code := http_code.str()
 	mut http_response := strings.new_builder(20000)
@@ -230,7 +230,7 @@ fn send_http_response(mut con net.Socket, http_code int, content_type, html stri
 	}
 }
 
-fn get_src_link(repo_url, file_name string, line_nr int) string {
+fn get_src_link(repo_url string, file_name string, line_nr int) string {
 	mut url := urllib.parse(repo_url) or {
 		return ''
 	}
@@ -516,10 +516,13 @@ fn (cfg DocConfig) gen_html(idx int) string {
 	}
 	return html_content.replace('{{ title }}', dcs.head.name).replace('{{ head_name }}',
 		header_name).replace('{{ version }}', version).replace('{{ light_icon }}', cfg.assets['light_icon']).replace('{{ dark_icon }}',
-		cfg.assets['dark_icon']).replace('{{ menu_icon }}', cfg.assets['menu_icon']).replace('{{ head_assets }}', if cfg.inline_assets {
-		'\n	<style>'+ cfg.assets['doc_css'] + '</style>\n    <style>'+ cfg.assets['normalize_css'] +'</style>'
+		cfg.assets['dark_icon']).replace('{{ menu_icon }}', cfg.assets['menu_icon']).replace('{{ head_assets }}',
+		if cfg.inline_assets {
+		'\n	<style>' + cfg.assets['doc_css'] + '</style>\n    <style>' + cfg.assets['normalize_css'] +
+			'</style>'
 	} else {
-		'\n	<link rel="stylesheet" href="'+cfg.assets['doc_css']+'" />\n	<link rel="stylesheet" href="'+cfg.assets['normalize_css']+'" />'
+		'\n	<link rel="stylesheet" href="' + cfg.assets['doc_css'] + '" />\n	<link rel="stylesheet" href="' +
+			cfg.assets['normalize_css'] + '" />'
 	}).replace('{{ toc_links }}', if cfg.is_multi || cfg.docs.len > 1 {
 		toc2.str()
 	} else {
@@ -531,9 +534,9 @@ fn (cfg DocConfig) gen_html(idx int) string {
 		''
 	}).replace('{{ footer_content }}', 'Powered by vdoc. Generated on: $time_gen').replace('{{ footer_assets }}',
 		if cfg.inline_assets {
-		'<script>'+cfg.assets['doc_js']+'</script>'
+		'<script>' + cfg.assets['doc_js'] + '</script>'
 	} else {
-		'<script src="'+cfg.assets['doc_js']+'"></script>'
+		'<script src="' + cfg.assets['doc_js'] + '"></script>'
 	})
 }
 
@@ -604,7 +607,7 @@ fn (cfg DocConfig) render_doc(doc doc.Doc, i int) (string, string) {
 	return name, output
 }
 
-fn (cfg DocConfig)work_processor(mut work sync.Channel, mut wg sync.WaitGroup) {
+fn (cfg DocConfig) work_processor(mut work sync.Channel, mut wg sync.WaitGroup) {
 	for {
 		mut pdoc := ParallelDoc{}
 		if !work.pop(&pdoc) {
@@ -622,7 +625,6 @@ fn (cfg DocConfig) render_parallel() {
 	vjobs := runtime.nr_jobs()
 	mut work := sync.new_channel<ParallelDoc>(cfg.docs.len)
 	mut wg := sync.new_waitgroup()
-
 	for i in 0 .. cfg.docs.len {
 		p_doc := ParallelDoc{cfg.docs[i], i}
 		work.push(&p_doc)
@@ -637,7 +639,6 @@ fn (cfg DocConfig) render_parallel() {
 
 fn (cfg DocConfig) render() map[string]string {
 	mut docs := map[string]string{}
-
 	for i, doc in cfg.docs {
 		name, output := cfg.render_doc(doc, i)
 		docs[name] = output.trim_space()
@@ -649,12 +650,12 @@ fn (cfg DocConfig) render() map[string]string {
 fn (mut cfg DocConfig) render_static() {
 	if cfg.output_type == .html {
 		cfg.assets = {
-			'doc_css': cfg.get_resource(css_js_assets[0], true),
-			'normalize_css': cfg.get_resource(css_js_assets[1], true),
-			'doc_js': cfg.get_resource(css_js_assets[2], !cfg.serve_http),
-			'light_icon': cfg.get_resource('light.svg', true),
-			'dark_icon': cfg.get_resource('dark.svg', true),
-			'menu_icon': cfg.get_resource('menu.svg', true),
+			'doc_css': cfg.get_resource(css_js_assets[0], true)
+			'normalize_css': cfg.get_resource(css_js_assets[1], true)
+			'doc_js': cfg.get_resource(css_js_assets[2], !cfg.serve_http)
+			'light_icon': cfg.get_resource('light.svg', true)
+			'dark_icon': cfg.get_resource('dark.svg', true)
+			'menu_icon': cfg.get_resource('menu.svg', true)
 			'arrow_icon': cfg.get_resource('arrow.svg', true)
 		}
 	}
diff --git a/cmd/tools/vdoctor.v b/cmd/tools/vdoctor.v
index 64c537471..7bad46827 100644
--- a/cmd/tools/vdoctor.v
+++ b/cmd/tools/vdoctor.v
@@ -1,5 +1,4 @@
 import os
-import term
 import time
 import v.util
 import runtime
@@ -130,7 +129,7 @@ fn (mut a App) line(label string, value string) {
 	a.println('$label: ${util.bold(value)}')
 }
 
-fn (app &App) parse(config, sep string) map[string]string {
+fn (app &App) parse(config string, sep string) map[string]string {
 	mut m := map[string]string
 	for line in config.split_into_lines() {
 		sline := line.trim_space()
diff --git a/cmd/tools/vfmt.v b/cmd/tools/vfmt.v
index 9d8a9ba4f..25f1742b3 100644
--- a/cmd/tools/vfmt.v
+++ b/cmd/tools/vfmt.v
@@ -187,7 +187,7 @@ fn print_compiler_options(compiler_params &pref.Preferences) {
 	eprintln('  is_script: $compiler_params.is_script ')
 }
 
-fn (foptions &FormatOptions) post_process_file(file, formatted_file_path string) {
+fn (foptions &FormatOptions) post_process_file(file string, formatted_file_path string) {
 	if formatted_file_path.len == 0 {
 		return
 	}
diff --git a/cmd/tools/vnames.v b/cmd/tools/vnames.v
deleted file mode 100644
index 202c9f74a..000000000
--- a/cmd/tools/vnames.v
+++ /dev/null
@@ -1,87 +0,0 @@
-module main
-
-/*
-QTODO
-import os
-import flag
-import strings
-import compiler
-import v.pref
-
-const (
-	tool_version = '0.0.1'
-	tool_description = '  Extracts the function names declared in a v file.'
-)
-
-fn f_to_string(fmod string, f compiler.Fn) ?string {
-	svisibility := if f.is_public {
-		'public'
-	}else{
-		'private'
-	}
-	if fmod != f.v_fn_module() { return none }
-	if fmod == 'builtin' {
-		return '$svisibility\t' + f.v_fn_name()
-	}
-	return '$svisibility\t' + f.v_fn_module() + '.' + f.v_fn_name()
-}
-
-fn analyze_v_file(file string) {
-	println('')
-	hash := strings.repeat(`#`, (76 - file.len) / 2)
-	println('$hash  $file  $hash')
-
-	// main work:
-	mut pref := &pref.Preferences{
-		path: file
-	}
-	pref.fill_with_defaults()
-	mut v := compiler.new_v(pref)
-	v.add_v_files_to_compile()
-	for f in v.files { v.parse(f, .decl) }
-	fi := v.get_file_parser_index( file ) or { panic(err) }
-	fmod :=  v.parsers[fi].mod
-
-	// output:
-	mut fns :=[]string
-	for _, f in v.table.fns {
-		fname := f_to_string(fmod, f) or { continue }
-		fns << fname
-	}
-	fns.sort()
-	for f in fns { println(f) }
-
-}
-
-fn main(){
-	toolexe := os.executable()
-	compiler.set_vroot_folder(os.dir(os.dir(os.dir(toolexe))))
-
-	mut fp := flag.new_flag_parser(os.args)
-	fp.application(os.file_name(toolexe))
-	fp.version( tool_version )
-	fp.description( tool_description )
-	fp.arguments_description('FILE.v/FOLDER [FILE.v/FOLDER]...')
-	fp.limit_free_args_to_at_least(1)
-	fp.skip_executable()
-	show_help:=fp.bool('help', `h`, false, 'Show this help screen\n')
-	if( show_help ){
-		println( fp.usage() )
-		exit(0)
-	}
-
-	mut files := []string{}
-	locations := fp.finalize() or { eprintln('Error: ' + err) exit(1) }
-	for xloc in locations {
-		loc := os.real_path(xloc)
-		xfiles := if os.is_dir(loc){ os.walk_ext(loc,'.v') } else { [loc] }
-		filtered_files := xfiles.filter(!it.ends_with('_js.v'))
-		files << filtered_files
-	}
-
-	for file in files {
-		analyze_v_file(file)
-	}
-}
-*/
-fn main()  {}
diff --git a/cmd/tools/vpm.v b/cmd/tools/vpm.v
index 41b50182c..45a112c33 100644
--- a/cmd/tools/vpm.v
+++ b/cmd/tools/vpm.v
@@ -12,7 +12,8 @@ import v.vmod
 
 const (
 	default_vpm_server_urls      = ['https://vpm.vlang.io']
-	valid_vpm_commands           = ['help', 'search', 'install', 'update', 'upgrade', 'outdated', 'list', 'remove']
+	valid_vpm_commands           = ['help', 'search', 'install', 'update', 'upgrade', 'outdated',
+		'list', 'remove']
 	excluded_dirs                = ['cache', 'vlib']
 	supported_vcs_systems        = ['git', 'hg']
 	supported_vcs_folders        = ['.git', '.hg']
@@ -281,7 +282,9 @@ fn get_outdated() ?[]string {
 }
 
 fn vpm_upgrade() {
-	outdated := get_outdated() or { exit(1) }
+	outdated := get_outdated() or {
+		exit(1)
+	}
 	if outdated.len > 0 {
 		vpm_update(outdated)
 	} else {
@@ -290,7 +293,9 @@ fn vpm_upgrade() {
 }
 
 fn vpm_outdated() {
-	outdated := get_outdated() or { exit(1) }
+	outdated := get_outdated() or {
+		exit(1)
+	}
 	if outdated.len > 0 {
 		println('Outdated modules:')
 		for m in outdated {
@@ -452,7 +457,7 @@ fn get_all_modules() []string {
 	return modules
 }
 
-fn resolve_dependencies(name, module_path string, module_names []string) {
+fn resolve_dependencies(name string, module_path string, module_names []string) {
 	vmod_path := os.join_path(module_path, 'v.mod')
 	if !os.exists(vmod_path) {
 		return
diff --git a/cmd/tools/vrepl.v b/cmd/tools/vrepl.v
index 06cf4c25b..81a621aa0 100644
--- a/cmd/tools/vrepl.v
+++ b/cmd/tools/vrepl.v
@@ -95,7 +95,7 @@ fn repl_help() {
 ')
 }
 
-fn run_repl(workdir, vrepl_prefix string) {
+fn run_repl(workdir string, vrepl_prefix string) {
 	if !is_stdin_a_pipe {
 		println(util.full_v_version(false))
 		println('Use Ctrl-C or `exit` to exit, or `help` to see other available commands')
diff --git a/cmd/tools/vself.v b/cmd/tools/vself.v
index 11904f159..9bbc377f2 100644
--- a/cmd/tools/vself.v
+++ b/cmd/tools/vself.v
@@ -8,15 +8,15 @@ fn main() {
 	vroot := os.dir(vexe)
 	os.chdir(vroot)
 	os.setenv('VCOLORS', 'always', true)
-
 	self_idx := os.args.index('self')
 	args := os.args[1..self_idx]
 	args_str := args.join(' ')
 	options := if args.len > 0 { '($args_str)' } else { '' }
 	println('V self compiling ${options}...')
-
 	cmd := '$vexe -o v2 $args_str cmd/v'
-	result := os.exec(cmd) or { panic(err) }
+	result := os.exec(cmd) or {
+		panic(err)
+	}
 	if result.exit_code != 0 {
 		mut err := 'Permission denied'
 		if !result.output.contains('Permission denied') {
@@ -28,11 +28,9 @@ fn main() {
 	if result.output.len > 0 {
 		println(result.output.trim_space())
 	}
-
 	v_file := if os.user_os() == 'windows' { 'v.exe' } else { 'v' }
 	v2_file := if os.user_os() == 'windows' { 'v2.exe' } else { 'v2' }
 	bak_file := if os.user_os() == 'windows' { 'v_old.exe' } else { 'v_old' }
-
 	if os.exists(bak_file) {
 		os.rm(bak_file)
 	}
diff --git a/cmd/tools/vsetup-freetype.v b/cmd/tools/vsetup-freetype.v
index aafe29825..0d4b33f14 100644
--- a/cmd/tools/vsetup-freetype.v
+++ b/cmd/tools/vsetup-freetype.v
@@ -8,19 +8,16 @@ fn main() {
 		println('Setup freetype...')
 		vroot := os.dir(pref.vexe_path())
 		os.chdir(vroot)
-
 		if os.is_dir('./thirdparty/freetype') {
 			println('Thirdparty "freetype" is already installed.')
-		}
-		else {
+		} else {
 			s := os.exec('git clone --depth=1 https://github.com/ubawurinna/freetype-windows-binaries ./thirdparty/freetype/') or {
 				panic(err)
 			}
 			println(s.output)
 			println('Thirdparty "freetype" installed successfully.')
 		}
-	}
-	$else {
+	} $else {
 		println('It is only for Windows to setup thirdparty "freetype".')
 	}
 }
diff --git a/cmd/tools/vsymlink.v b/cmd/tools/vsymlink.v
index fbe7163a6..cd2c63303 100644
--- a/cmd/tools/vsymlink.v
+++ b/cmd/tools/vsymlink.v
@@ -7,8 +7,7 @@ $if windows {
 		#flag -lUser32
 	}
 }
-
-fn main(){
+fn main() {
 	vexe := pref.vexe_path()
 	$if windows {
 		setup_symlink_windows(vexe)
@@ -17,7 +16,7 @@ fn main(){
 	}
 }
 
-fn setup_symlink(vexe string){
+fn setup_symlink(vexe string) {
 	mut link_path := '/usr/local/bin/v'
 	mut ret := os.exec('ln -sf $vexe $link_path') or {
 		panic(err)
@@ -40,23 +39,19 @@ fn setup_symlink(vexe string){
 	}
 }
 
-fn setup_symlink_windows(vexe string){
+fn setup_symlink_windows(vexe string) {
 	$if windows {
 		// Create a symlink in a new local folder (.\.bin\.v.exe)
 		// Puts `v` in %PATH% without polluting it with anything else (like make.bat).
 		// This will make `v` available on cmd.exe, PowerShell, and MinGW(MSYS)/WSL/Cygwin
-
-		vdir         := os.real_path(os.dir(vexe))
-		vsymlinkdir  := os.join_path(vdir, '.bin')
-
+		vdir := os.real_path(os.dir(vexe))
+		vsymlinkdir := os.join_path(vdir, '.bin')
 		mut vsymlink := os.join_path(vsymlinkdir, 'v.exe')
-
 		if !os.exists(vsymlinkdir) {
 			os.mkdir_all(vsymlinkdir) // will panic if fails
 		} else {
 			os.rm(vsymlink)
 		}
-
 		// try to create a native symlink at .\.bin\v.exe
 		os.symlink(vsymlink, vexe) or {
 			// typically only fails if you're on a network drive (VirtualBox)
@@ -67,41 +62,35 @@ fn setup_symlink_windows(vexe string){
 			if os.exists(vsymlink) {
 				os.rm(vsymlink)
 			}
-			os.write_file(vsymlink, '@echo off\n${vexe} %*')
+			os.write_file(vsymlink, '@echo off\n$vexe %*')
 		}
-
 		if !os.exists(vsymlink) {
 			warn_and_exit('Could not create $vsymlink')
 		}
-
 		print('Symlink $vsymlink to $vexe created.\n\nChecking system %PATH%...')
-
-		reg_sys_env_handle  := get_reg_sys_env_handle() or {
+		reg_sys_env_handle := get_reg_sys_env_handle() or {
 			warn_and_exit(err)
 			return
 		}
 		// TODO: Fix defers inside ifs
 		// defer {
-		// 		C.RegCloseKey(reg_sys_env_handle)
+		// C.RegCloseKey(reg_sys_env_handle)
 		// }
-		
 		// if the above succeeded, and we cannot get the value, it may simply be empty
-		sys_env_path := get_reg_value(reg_sys_env_handle, 'Path') or { '' }
-
+		sys_env_path := get_reg_value(reg_sys_env_handle, 'Path') or {
+			''
+		}
 		current_sys_paths := sys_env_path.split(os.path_delimiter).map(it.trim('/$os.path_separator'))
-		mut new_paths := [ vsymlinkdir ]
+		mut new_paths := [vsymlinkdir]
 		for p in current_sys_paths {
 			if p !in new_paths {
 				new_paths << p
 			}
 		}
-
 		new_sys_env_path := new_paths.join(';')
-
 		if new_sys_env_path == sys_env_path {
 			println('configured.')
-		}
-		else {
+		} else {
 			print('not configured.\nAdding symlink directory to system %PATH%...')
 			set_reg_value(reg_sys_env_handle, 'Path', new_sys_env_path) or {
 				warn_and_exit(err)
@@ -110,7 +99,6 @@ fn setup_symlink_windows(vexe string){
 			}
 			println('done.')
 		}
-
 		print('Letting running process know to update their Environment...')
 		send_setting_change_msg('Environment') or {
 			eprintln('\n' + err)
@@ -118,7 +106,6 @@ fn setup_symlink_windows(vexe string){
 			C.RegCloseKey(reg_sys_env_handle)
 			return
 		}
-
 		C.RegCloseKey(reg_sys_env_handle)
 		println('finished.\n\nNote: restart your shell/IDE to load the new %PATH%.')
 		println('After restarting your shell/IDE, give `v version` a try in another dir!')
@@ -134,8 +121,8 @@ fn warn_and_exit(err string) {
 fn get_reg_sys_env_handle() ?voidptr {
 	$if windows { // wrap for cross-compile compat
 		// open the registry key
-		reg_key_path   := 'Environment'
-		reg_env_key    := voidptr(0) // or HKEY (HANDLE)
+		reg_key_path := 'Environment'
+		reg_env_key := voidptr(0) // or HKEY (HANDLE)
 		if C.RegOpenKeyEx(os.hkey_current_user, reg_key_path.to_wide(), 0, 1 | 2, &reg_env_key) != 0 {
 			return error('Could not open "$reg_key_path" in the registry')
 		}
@@ -149,11 +136,10 @@ fn get_reg_value(reg_env_key voidptr, key string) ?string {
 	$if windows {
 		// query the value (shortcut the sizing step)
 		reg_value_size := 4095 // this is the max length (not for the registry, but for the system %PATH%)
-		mut reg_value  := &u16(malloc(reg_value_size))
+		mut reg_value := &u16(malloc(reg_value_size))
 		if C.RegQueryValueEx(reg_env_key, key.to_wide(), 0, 0, reg_value, &reg_value_size) != 0 {
 			return error('Unable to get registry value for "$key", try rerunning as an Administrator')
 		}
-
 		return string_from_wide(reg_value)
 	}
 	return error('not on windows')
@@ -165,7 +151,6 @@ fn set_reg_value(reg_key voidptr, key string, value string) ?bool {
 		if C.RegSetValueEx(reg_key, key.to_wide(), 0, 1, value.to_wide(), 4095) != 0 {
 			return error('Unable to set registry value for "$key", are you running as an Administrator?')
 		}
-
 		return true
 	}
 	return error('not on windows')
@@ -175,7 +160,8 @@ fn set_reg_value(reg_key voidptr, key string, value string) ?bool {
 // letting them know that the system environment has changed and should be reloaded
 fn send_setting_change_msg(message_data string) ?bool {
 	$if windows {
-		if C.SendMessageTimeout(os.hwnd_broadcast, os.wm_settingchange, 0, message_data.to_wide(), os.smto_abortifhung, 5000, 0) == 0 {
+		if C.SendMessageTimeout(os.hwnd_broadcast, os.wm_settingchange, 0, message_data.to_wide(), os.smto_abortifhung, 5000, 0) ==
+			0 {
 			return error('Could not broadcast WM_SETTINGCHANGE')
 		}
 		return true
diff --git a/cmd/tools/vtest-fmt.v b/cmd/tools/vtest-fmt.v
index f7dce1843..6e8e87a4f 100644
--- a/cmd/tools/vtest-fmt.v
+++ b/cmd/tools/vtest-fmt.v
@@ -6,16 +6,16 @@ import testing
 const (
 	known_failing_exceptions = [
 		'vlib/v/tests/generics_test.v', // struct Repo<T, U> { => struct Repo {
-		'vlib/crypto/aes/aes.v',  // pub fn (c &AesCipher) encrypt(mut dst, mut src []byte) {
+		'vlib/crypto/aes/aes.v', // pub fn (c &AesCipher) encrypt(mut dst, mut src []byte) {
 		'vlib/crypto/aes/block_generic.v', // fn expand_key_generic(key []byte, mut enc, mut dec []u32) {
 		'vlib/crypto/aes/const.v', // multiple narrow columns of []string turned to 1 long single column, otherwise works
 		'vlib/crypto/rc4/rc4.v', // pub fn (mut c Cipher) xor_key_stream(mut dst, mut src []byte) {
 		'vlib/vweb/vweb.v', // $for method in T.methods { => $for method in T(methods) { , `return // xx` => parse expr error
 		'vlib/v/gen/js/tests/life.v', // error: unexpected `,`, expecting ), on JS.setInterval(fn () { show(game) game = step(game) }, 500)
 		'vlib/builtin/js/builtin.v', // JS.console.error(s) => JS.error(s), JS.process.exit(c) => JS.exit(c)
-        'vlib/builtin/js/jsfns_node.js.v',
-        'vlib/builtin/js/jsfns.js.v',
-        'vlib/builtin/js/jsfns_browser.js.v',
+		'vlib/builtin/js/jsfns_node.js.v',
+		'vlib/builtin/js/jsfns.js.v',
+		'vlib/builtin/js/jsfns_browser.js.v',
 		'vlib/builtin/bare/linuxsys_bare.v', // error: expr(): bad token `asm`, on `asm {}`
 		'vlib/os/os.v', // embeded comments, mib := [1/* CTL_KERN */, 14/* KERN_PROC */, 12/* KERN_PROC_PATHNAME */, -1] => comment the rest of the line
 	]
diff --git a/cmd/tools/vtest.v b/cmd/tools/vtest.v
index 6af115aa9..9eac67b53 100644
--- a/cmd/tools/vtest.v
+++ b/cmd/tools/vtest.v
@@ -18,17 +18,14 @@ fn main() {
 		println('')
 		return
 	}
-
 	args_to_executable := args[1..]
 	args_before := cmdline.options_before(args_to_executable, ['test'])
 	args_after := cmdline.options_after(args_to_executable, ['test'])
-
 	if args_after.join(' ') == 'v' {
 		eprintln('`v test v` has been deprecated.')
 		eprintln('Use `v test-compiler` instead.')
 		exit(1)
 	}
-
 	mut ts := testing.new_test_session(args_before.join(' '))
 	for targ in args_after {
 		if os.exists(targ) && targ.ends_with('_test.v') {
@@ -37,16 +34,14 @@ fn main() {
 		}
 		if os.is_dir(targ) {
 			// Fetch all tests from the directory
-			ts.files << os.walk_ext( targ.trim_right(os.path_separator), '_test.v')
+			ts.files << os.walk_ext(targ.trim_right(os.path_separator), '_test.v')
 			continue
 		}
 		println('Unrecognized test file $targ .')
 	}
-
 	testing.header('Testing...')
 	ts.test()
-
-	println( ts.benchmark.total_message('running V _test.v files') )
+	println(ts.benchmark.total_message('running V _test.v files'))
 	if ts.failed {
 		exit(1)
 	}
diff --git a/vlib/flag/flag.v b/vlib/flag/flag.v
index 8da5b48ae..f674635dd 100644
--- a/vlib/flag/flag.v
+++ b/vlib/flag/flag.v
@@ -2,22 +2,19 @@ module flag
 
 // data object storing information about a defined flag
 pub struct Flag {
-	pub:
+pub:
 	name     string // name as it appears on command line
-	abbr     byte   // shortcut
+	abbr     byte // shortcut
 	usage    string // help message
 	val_desc string // something like '<arg>' that appears in usage,
 	// and also the default value, when the flag is not given
 }
 
 pub fn (f Flag) str() string {
-	return ''
-	+'    flag:\n'
-	+'            name: $f.name\n'
-	+'            abbr: $f.abbr\n'
-	+'            usag: $f.usage\n'
-	+'            desc: $f.val_desc'
+	return '' + '    flag:\n' + '            name: $f.name\n' + '            abbr: $f.abbr\n' +
+		'            usag: $f.usage\n' + '            desc: $f.val_desc'
 }
+
 pub fn (af []Flag) str() string {
 	mut res := []string{}
 	res << '\n  []Flag = ['
@@ -27,32 +24,34 @@ pub fn (af []Flag) str() string {
 	res << '  ]'
 	return res.join('\n')
 }
+
 //
 pub struct FlagParser {
-	pub mut:
-	args  []string                  // the arguments to be parsed
-	max_free_args int
-	flags []Flag                    // registered flags
-
+pub mut:
+	args                    []string // the arguments to be parsed
+	max_free_args           int
+	flags                   []Flag // registered flags
 	application_name        string
 	application_version     string
 	application_description string
-
-	min_free_args int
+	min_free_args           int
 	args_description        string
 }
 
 pub const (
 	// used for formating usage message
-	space = '                            '
-	underline = '-----------------------------------------------'
+	space           = '                            '
+	underline       = '-----------------------------------------------'
 	max_args_number = 4048
 )
 
 // create a new flag set for parsing command line arguments
 // TODO use INT_MAX some how
 pub fn new_flag_parser(args []string) &FlagParser {
-	return &FlagParser{args: args.clone(), max_free_args: max_args_number}
+	return &FlagParser{
+		args: args.clone()
+		max_free_args: max_args_number
+	}
 }
 
 // change the application name to be used in 'usage' output
@@ -78,22 +77,22 @@ pub fn (mut fs FlagParser) skip_executable() {
 // private helper to register a flag
 fn (mut fs FlagParser) add_flag(name string, abbr byte, usage string, desc string) {
 	fs.flags << Flag{
-		name: name,
-		abbr: abbr,
-		usage: usage,
+		name: name
+		abbr: abbr
+		usage: usage
 		val_desc: desc
 	}
 }
 
 // private: general parsing a single argument
-//  - search args for existence
-//    if true
-//      extract the defined value as string
-//    else
-//      return an (dummy) error -> argument is not defined
+// - search args for existence
+// if true
+// extract the defined value as string
+// else
+// return an (dummy) error -> argument is not defined
 //
-//  - the name, usage are registered
-//  - found arguments and corresponding values are removed from args list
+// - the name, usage are registered
+// - found arguments and corresponding values are removed from args list
 fn (mut fs FlagParser) parse_value(longhand string, shorthand byte) []string {
 	full := '--$longhand'
 	mut found_entries := []string{}
@@ -105,36 +104,36 @@ fn (mut fs FlagParser) parse_value(longhand string, shorthand byte) []string {
 			continue
 		}
 		if arg == '--' {
-			//End of input. We're done here.
+			// End of input. We're done here.
 			break
 		}
 		if arg[0] != `-` {
 			continue
 		}
-		if (arg.len == 2 && arg[0] == `-` && arg[1] == shorthand ) || arg == full {
-			if i+1 >= fs.args.len {
+		if (arg.len == 2 && arg[0] == `-` && arg[1] == shorthand) || arg == full {
+			if i + 1 >= fs.args.len {
 				return []
 			}
-			nextarg := fs.args[i+1]
+			nextarg := fs.args[i + 1]
 			if nextarg.len > 2 && nextarg[..2] == '--' {
-				//It could be end of input (--) or another argument (--abc).
-				//Both are invalid so die.
+				// It could be end of input (--) or another argument (--abc).
+				// Both are invalid so die.
 				return []
 			}
-			found_entries << fs.args[i+1]
+			found_entries << fs.args[i + 1]
 			to_delete << i
-			to_delete << i+1
+			to_delete << i + 1
 			should_skip_one = true
 			continue
 		}
-		if arg.len > full.len+1 && arg[..full.len+1] == '$full=' {
-			found_entries << arg[full.len+1..]
+		if arg.len > full.len + 1 && arg[..full.len + 1] == '$full=' {
+			found_entries << arg[full.len + 1..]
 			to_delete << i
 			continue
 		}
 	}
 	for i, del in to_delete {
-		//i entrys are deleted so it's shifted left i times.
+		// i entrys are deleted so it's shifted left i times.
 		fs.args.delete(del - i)
 	}
 	return found_entries
@@ -150,7 +149,7 @@ fn (mut fs FlagParser) parse_bool_value(longhand string, shorthand byte) ?string
 	full := '--$longhand'
 	for i, arg in fs.args {
 		if arg == '--' {
-			//End of input. We're done.
+			// End of input. We're done.
 			break
 		}
 		if arg.len == 0 {
@@ -159,10 +158,10 @@ fn (mut fs FlagParser) parse_bool_value(longhand string, shorthand byte) ?string
 		if arg[0] != `-` {
 			continue
 		}
-		if ( arg.len == 2 && arg[0] == `-` && arg[1] == shorthand ) || arg == full {
-			if fs.args.len > i+1 && (fs.args[i+1] in ['true', 'false'])  {
-				val := fs.args[i+1]
-				fs.args.delete(i+1)
+		if (arg.len == 2 && arg[0] == `-` && arg[1] == shorthand) || arg == full {
+			if fs.args.len > i + 1 && (fs.args[i + 1] in ['true', 'false']) {
+				val := fs.args[i + 1]
+				fs.args.delete(i + 1)
 				fs.args.delete(i)
 				return val
 			} else {
@@ -170,9 +169,9 @@ fn (mut fs FlagParser) parse_bool_value(longhand string, shorthand byte) ?string
 				return 'true'
 			}
 		}
-		if arg.len > full.len+1 && arg[..full.len+1] == '$full=' {
+		if arg.len > full.len + 1 && arg[..full.len + 1] == '$full=' {
 			// Flag abc=true
-			val := arg[full.len+1..]
+			val := arg[full.len + 1..]
 			fs.args.delete(i)
 			return val
 		}
@@ -195,12 +194,12 @@ pub fn (mut fs FlagParser) bool_opt(name string, abbr byte, usage string) ?bool
 }
 
 // defining and parsing a bool flag
-//  if defined
-//      the value is returned (true/false)
-//  else
-//      the default value is returned
+// if defined
+// the value is returned (true/false)
+// else
+// the default value is returned
 // version with abbr
-//TODO error handling for invalid string to bool conversion
+// TODO error handling for invalid string to bool conversion
 pub fn (mut fs FlagParser) bool(name string, abbr byte, bdefault bool, usage string) bool {
 	value := fs.bool_opt(name, abbr, usage) or {
 		return bdefault
@@ -232,12 +231,12 @@ pub fn (mut fs FlagParser) int_opt(name string, abbr byte, usage string) ?int {
 }
 
 // defining and parsing an int flag
-//  if defined
-//      the value is returned (int)
-//  else
-//      the default value is returned
+// if defined
+// the value is returned (int)
+// else
+// the default value is returned
 // version with abbr
-//TODO error handling for invalid string to int conversion
+// TODO error handling for invalid string to int conversion
 pub fn (mut fs FlagParser) int(name string, abbr byte, idefault int, usage string) int {
 	value := fs.int_opt(name, abbr, usage) or {
 		return idefault
@@ -269,12 +268,12 @@ pub fn (mut fs FlagParser) float_opt(name string, abbr byte, usage string) ?f64
 }
 
 // defining and parsing a float flag
-//  if defined
-//      the value is returned (float)
-//  else
-//      the default value is returned
+// if defined
+// the value is returned (float)
+// else
+// the default value is returned
 // version with abbr
-//TODO error handling for invalid string to float conversion
+// TODO error handling for invalid string to float conversion
 pub fn (mut fs FlagParser) float(name string, abbr byte, fdefault f64, usage string) f64 {
 	value := fs.float_opt(name, abbr, usage) or {
 		return fdefault
@@ -301,10 +300,10 @@ pub fn (mut fs FlagParser) string_opt(name string, abbr byte, usage string) ?str
 }
 
 // defining and parsing a string flag
-//  if defined
-//      the value is returned (string)
-//  else
-//      the default value is returned
+// if defined
+// the value is returned (string)
+// else
+// the default value is returned
 // version with abbr
 pub fn (mut fs FlagParser) string(name string, abbr byte, sdefault string, usage string) string {
 	value := fs.string_opt(name, abbr, usage) or {
@@ -336,7 +335,7 @@ pub fn (mut fs FlagParser) limit_free_args_to_exactly(n int) {
 
 // this will cause an error in finalize() if free args are out of range
 // (min, ..., max)
-pub fn (mut fs FlagParser) limit_free_args(min, max int) {
+pub fn (mut fs FlagParser) limit_free_args(min int, max int) {
 	if min > max {
 		panic('flag.limit_free_args expect min < max, got $min >= $max')
 	}
@@ -344,42 +343,44 @@ pub fn (mut fs FlagParser) limit_free_args(min, max int) {
 	fs.max_free_args = max
 }
 
-pub fn (mut fs FlagParser) arguments_description(description string){
+pub fn (mut fs FlagParser) arguments_description(description string) {
 	fs.args_description = description
 }
 
 // collect all given information and
 pub fn (fs FlagParser) usage() string {
-
-	positive_min_arg := ( fs.min_free_args > 0 )
-	positive_max_arg := ( fs.max_free_args > 0 && fs.max_free_args != max_args_number )
-	no_arguments := ( fs.min_free_args == 0 && fs.max_free_args == 0 )
-
+	positive_min_arg := (fs.min_free_args > 0)
+	positive_max_arg := (fs.max_free_args > 0 && fs.max_free_args != max_args_number)
+	no_arguments := (fs.min_free_args == 0 && fs.max_free_args == 0)
 	mut adesc := if fs.args_description.len > 0 { fs.args_description } else { '[ARGS]' }
-	if no_arguments { adesc = '' }
-
+	if no_arguments {
+		adesc = ''
+	}
 	mut use := ''
 	if fs.application_version != '' {
 		use += '$fs.application_name $fs.application_version\n'
 		use += '$underline\n'
 	}
-	use += 'Usage: ${fs.application_name} [options] $adesc\n'
+	use += 'Usage: $fs.application_name [options] $adesc\n'
 	use += '\n'
 	if fs.application_description != '' {
 		use += 'Description:\n'
 		use += '$fs.application_description'
 		use += '\n\n'
 	}
-
 	// show a message about the [ARGS]:
 	if positive_min_arg || positive_max_arg || no_arguments {
 		if no_arguments {
 			use += 'This application does not expect any arguments\n\n'
 			goto end_of_arguments_handling
 		}
-		mut s:= []string{}
-		if positive_min_arg { s << 'at least $fs.min_free_args' }
-		if positive_max_arg { s << 'at most $fs.max_free_args' }
+		mut s := []string{}
+		if positive_min_arg {
+			s << 'at least $fs.min_free_args'
+		}
+		if positive_max_arg {
+			s << 'at most $fs.max_free_args'
+		}
 		if positive_min_arg && positive_max_arg && fs.min_free_args == fs.max_free_args {
 			s = ['exactly $fs.min_free_args']
 		}
@@ -387,32 +388,30 @@ pub fn (fs FlagParser) usage() string {
 		use += 'The arguments should be $sargs in number.\n\n'
 	}
 	end_of_arguments_handling:
-
 	if fs.flags.len > 0 {
 		use += 'Options:\n'
 		for f in fs.flags {
 			mut onames := []string{}
 			if f.abbr != 0 {
-				onames << '-${f.abbr.str()}'
+				onames << '-$f.abbr.str()'
 			}
 			if f.name != '' {
 				if !f.val_desc.contains('<bool>') {
-					onames << '--${f.name} $f.val_desc'
-				}else{
-					onames << '--${f.name}'
+					onames << '--$f.name $f.val_desc'
+				} else {
+					onames << '--$f.name'
 				}
 			}
 			option_names := '  ' + onames.join(', ')
 			mut xspace := ''
-			if option_names.len > space.len-2 {
-				xspace = '\n${space}'
+			if option_names.len > space.len - 2 {
+				xspace = '\n$space'
 			} else {
 				xspace = space[option_names.len..]
 			}
-			use += '${option_names}${xspace}${f.usage}\n'
+			use += '$option_names$xspace$f.usage\n'
 		}
 	}
-
 	return use
 }
 
@@ -426,14 +425,14 @@ pub fn (fs FlagParser) usage() string {
 pub fn (fs FlagParser) finalize() ?[]string {
 	for a in fs.args {
 		if a.len >= 2 && a[..2] == '--' {
-			return error('Unknown argument \'${a[2..]}\'')
+			return error("Unknown argument \'${a[2..]}\'")
 		}
 	}
 	if fs.args.len < fs.min_free_args && fs.min_free_args > 0 {
-		return error('Expected at least ${fs.min_free_args} arguments, but given $fs.args.len')
+		return error('Expected at least $fs.min_free_args arguments, but given $fs.args.len')
 	}
 	if fs.args.len > fs.max_free_args && fs.max_free_args > 0 {
-		return error('Expected at most ${fs.max_free_args} arguments, but given $fs.args.len')
+		return error('Expected at most $fs.max_free_args arguments, but given $fs.args.len')
 	}
 	if fs.args.len > 0 && fs.max_free_args == 0 && fs.min_free_args == 0 {
 		return error('Expected no arguments, but given $fs.args.len')
diff --git a/vlib/flag/flag_test.v b/vlib/flag/flag_test.v
index d11d29030..fda85bed0 100644
--- a/vlib/flag/flag_test.v
+++ b/vlib/flag/flag_test.v
@@ -355,7 +355,7 @@ fn test_single_dash() {
 
 fn test_optional_flags() {
 	mut fp := flag.new_flag_parser(['-a', '10', '-b'])
-	a := fp.int_opt('some-flag', `a`, '') or {
+	fp.int_opt('some-flag', `a`, '') or {
 		assert false
 		return
 	}
diff --git a/vlib/net/http/backend_nix.c.v b/vlib/net/http/backend_nix.c.v
index dc615f820..205627935 100644
--- a/vlib/net/http/backend_nix.c.v
+++ b/vlib/net/http/backend_nix.c.v
@@ -10,7 +10,7 @@ const (
 	is_used = openssl.is_used
 )
 
-fn (req &Request) ssl_do(port int, method Method, host_name, path string) ?Response {
+fn (req &Request) ssl_do(port int, method Method, host_name string, path string) ?Response {
 	// ssl_method := C.SSLv23_method()
 	ssl_method := C.TLSv1_2_method()
 	ctx := C.SSL_CTX_new(ssl_method)
diff --git a/vlib/net/http/download.v b/vlib/net/http/download.v
index 3adcd69c9..382b6d0c8 100644
--- a/vlib/net/http/download.v
+++ b/vlib/net/http/download.v
@@ -5,7 +5,7 @@ module http
 
 import os
 
-pub fn download_file(url, out string) bool {
+pub fn download_file(url string, out string) bool {
 	$if debug_http? {
 		println('download file url=$url out=$out')
 	}
diff --git a/vlib/net/http/download_nix.c.v b/vlib/net/http/download_nix.c.v
index ee648ccc7..28f71a311 100644
--- a/vlib/net/http/download_nix.c.v
+++ b/vlib/net/http/download_nix.c.v
@@ -13,7 +13,7 @@ mut:
 	cb      DownloadFn
 }
 */
-fn download_cb(ptr voidptr, size, nmemb size_t, userp voidptr) {
+fn download_cb(ptr voidptr, size size_t, nmemb size_t, userp voidptr) {
 	/*
 	mut data := &DownloadStruct(userp)
 	written := C.fwrite(ptr, size, nmemb, data.stream)
@@ -24,7 +24,7 @@ fn download_cb(ptr voidptr, size, nmemb size_t, userp voidptr) {
 */
 }
 
-pub fn download_file_with_progress(url, out string, cb DownloadFn, cb_finished fn()) {
+pub fn download_file_with_progress(url string, out string, cb DownloadFn, cb_finished fn()) {
 	/*
 	curl := C.curl_easy_init()
 	if isnil(curl) {
diff --git a/vlib/net/http/http.v b/vlib/net/http/http.v
index e2b84349e..8c7a5b2f1 100644
--- a/vlib/net/http/http.v
+++ b/vlib/net/http/http.v
@@ -11,7 +11,7 @@ import net
 const (
 	max_redirects        = 4
 	content_type_default = 'text/plain'
-	bufsize = 1536
+	bufsize              = 1536
 )
 
 pub struct Request {
@@ -47,18 +47,17 @@ pub:
 	status_code int
 }
 
-pub fn new_request(method Method, url_, data string) ?Request {
+pub fn new_request(method Method, url_ string, data string) ?Request {
 	url := if method == .get { url_ + '?' + data } else { url_ }
-	//println('new req() method=$method url="$url" dta="$data"')
+	// println('new req() method=$method url="$url" dta="$data"')
 	return Request{
 		method: method
 		url: url
-		data: data
-		/*
-		headers: {
+		data: data	/*
+			headers: {
 			'Accept-Encoding': 'compress'
 		}
-		*/
+			*/
 	}
 }
 
@@ -75,7 +74,7 @@ pub fn get(url string) ?Response {
 	return fetch_with_method(.get, url, FetchConfig{})
 }
 
-pub fn post(url, data string) ?Response {
+pub fn post(url string, data string) ?Response {
 	return fetch_with_method(.post, url, {
 		data: data
 		headers: {
@@ -84,7 +83,7 @@ pub fn post(url, data string) ?Response {
 	})
 }
 
-pub fn post_json(url, data string) ?Response {
+pub fn post_json(url string, data string) ?Response {
 	return fetch_with_method(.post, url, {
 		data: data
 		headers: {
@@ -102,7 +101,7 @@ pub fn post_form(url string, data map[string]string) ?Response {
 	})
 }
 
-pub fn put(url, data string) ?Response {
+pub fn put(url string, data string) ?Response {
 	return fetch_with_method(.put, url, {
 		data: data
 		headers: {
@@ -111,7 +110,7 @@ pub fn put(url, data string) ?Response {
 	})
 }
 
-pub fn patch(url, data string) ?Response {
+pub fn patch(url string, data string) ?Response {
 	return fetch_with_method(.patch, url, {
 		data: data
 		headers: {
@@ -133,7 +132,7 @@ pub fn fetch(_url string, config FetchConfig) ?Response {
 		return error('http.fetch: empty url')
 	}
 	url := build_url_from_fetch(_url, config) or {
-		return error('http.fetch: invalid url ${_url}')
+		return error('http.fetch: invalid url $_url')
 	}
 	data := config.data
 	req := Request{
@@ -147,7 +146,7 @@ pub fn fetch(_url string, config FetchConfig) ?Response {
 		user_ptr: 0
 		verbose: config.verbose
 	}
-	res := req.do()?
+	res := req.do() ?
 	return res
 }
 
@@ -177,14 +176,14 @@ fn fetch_with_method(method Method, url string, _config FetchConfig) ?Response {
 }
 
 fn build_url_from_fetch(_url string, config FetchConfig) ?string {
-	mut url := urllib.parse(_url)?
+	mut url := urllib.parse(_url) ?
 	params := config.params
 	if params.keys().len == 0 {
 		return url.str()
 	}
 	mut pieces := []string{}
 	for key in params.keys() {
-		pieces << '${key}=${params[key]}'
+		pieces << '$key=${params[key]}'
 	}
 	mut query := pieces.join('&')
 	if url.raw_query.len > 1 {
@@ -195,19 +194,15 @@ fn build_url_from_fetch(_url string, config FetchConfig) ?string {
 }
 
 fn (mut req Request) free() {
-	unsafe {
-		req.headers.free()
-	}
+	unsafe {req.headers.free()}
 }
 
 fn (mut resp Response) free() {
-	unsafe {
-		resp.headers.free()
-	}
+	unsafe {resp.headers.free()}
 }
 
 // add_header adds the key and value of an HTTP request header
-pub fn (mut req Request) add_header(key, val string) {
+pub fn (mut req Request) add_header(key string, val string) {
 	req.headers[key] = val
 }
 
@@ -229,7 +224,7 @@ pub fn parse_headers(lines []string) map[string]string {
 // do will send the HTTP request and returns `http.Response` as soon as the response is recevied
 pub fn (req &Request) do() ?Response {
 	mut url := urllib.parse(req.url) or {
-		return error('http.Request.do: invalid url ${req.url}')
+		return error('http.Request.do: invalid url $req.url')
 	}
 	mut rurl := url
 	mut resp := Response{}
@@ -238,7 +233,7 @@ pub fn (req &Request) do() ?Response {
 		if no_redirects == max_redirects {
 			return error('http.request.do: maximum number of redirects reached ($max_redirects)')
 		}
-		qresp := req.method_and_url_to_response(req.method, rurl)?
+		qresp := req.method_and_url_to_response(req.method, rurl) ?
 		resp = qresp
 		if resp.status_code !in [301, 302, 303, 307, 308] {
 			break
@@ -264,7 +259,7 @@ fn (req &Request) method_and_url_to_response(method Method, url urllib.URL) ?Res
 	host_name := url.hostname()
 	scheme := url.scheme
 	p := url.path.trim_left('/')
-	path := if url.query().len > 0 { '/$p?${url.query().encode()}' } else { '/$p' }
+	path := if url.query().len > 0 { '/$p?$url.query().encode()' } else { '/$p' }
 	mut nport := url.port().int()
 	if nport == 0 {
 		if scheme == 'http' {
@@ -277,11 +272,11 @@ fn (req &Request) method_and_url_to_response(method Method, url urllib.URL) ?Res
 	// println('fetch $method, $scheme, $host_name, $nport, $path ')
 	if scheme == 'https' {
 		// println('ssl_do( $nport, $method, $host_name, $path )')
-		res := req.ssl_do(nport, method, host_name, path)?
+		res := req.ssl_do(nport, method, host_name, path) ?
 		return res
 	} else if scheme == 'http' {
 		// println('http_do( $nport, $method, $host_name, $path )')
-		res := req.http_do(nport, method, host_name, path)?
+		res := req.http_do(nport, method, host_name, path) ?
 		return res
 	}
 	return error('http.request.method_and_url_to_response: unsupported scheme: "$scheme"')
@@ -322,7 +317,6 @@ fn parse_response(resp string) Response {
 		// if h.contains('Content-Type') {
 		// continue
 		// }
-
 		mut key := h[..pos]
 		lkey := key.to_lower()
 		val := h[pos + 2..]
@@ -346,7 +340,7 @@ fn parse_response(resp string) Response {
 	}
 }
 
-fn (req &Request) build_request_headers(method Method, host_name, path string) string {
+fn (req &Request) build_request_headers(method Method, host_name string, path string) string {
 	ua := req.user_agent
 	mut uheaders := []string{}
 	if 'Host' !in req.headers {
@@ -356,17 +350,16 @@ fn (req &Request) build_request_headers(method Method, host_name, path string) s
 		uheaders << 'User-Agent: $ua\r\n'
 	}
 	if req.data.len > 0 && 'Content-Length' !in req.headers {
-		uheaders << 'Content-Length: ${req.data.len}\r\n'
+		uheaders << 'Content-Length: $req.data.len\r\n'
 	}
 	for key, val in req.headers {
 		if key == 'Cookie' {
 			continue
 		}
-		uheaders << '${key}: ${val}\r\n'
+		uheaders << '$key: $val\r\n'
 	}
 	uheaders << req.build_request_cookies_header()
-	return '$method $path HTTP/1.1\r\n' + uheaders.join('') + 'Connection: close\r\n\r\n' +
-		req.data
+	return '$method $path HTTP/1.1\r\n' + uheaders.join('') + 'Connection: close\r\n\r\n' + req.data
 }
 
 fn (req &Request) build_request_cookies_header() string {
@@ -399,13 +392,12 @@ pub fn escape(s string) string {
 	panic('http.escape() was replaced with http.escape_url()')
 }
 
-fn (req &Request) http_do(port int, method Method, host_name, path string) ?Response {
+fn (req &Request) http_do(port int, method Method, host_name string, path string) ?Response {
 	rbuffer := [bufsize]byte{}
 	mut sb := strings.new_builder(100)
 	s := req.build_request_headers(method, host_name, path)
-	client := net.dial(host_name, port)?
-	client.send(s.str, s.len) or {
-	}
+	client := net.dial(host_name, port) ?
+	client.send(s.str, s.len) or { }
 	for {
 		readbytes := client.crecv(rbuffer, bufsize)
 		if readbytes < 0 {
@@ -416,8 +408,7 @@ fn (req &Request) http_do(port int, method Method, host_name, path string) ?Resp
 		}
 		sb.write(tos(rbuffer, readbytes))
 	}
-	client.close() or {
-	}
+	client.close() or { }
 	return parse_response(sb.str())
 }
 
diff --git a/vlib/net/http/http_test.v b/vlib/net/http/http_test.v
index a7315ee6c..adc1c0aab 100644
--- a/vlib/net/http/http_test.v
+++ b/vlib/net/http/http_test.v
@@ -1,48 +1,62 @@
 import net.http
 
 fn test_http_get() {
-	$if !network ? { return }
+	$if !network ? {
+		return
+	}
 	assert http.get_text('https://vlang.io/version') == '0.1.5'
 	println('http ok')
 }
 
 fn test_http_get_from_vlang_utc_now() {
-	$if !network ? { return }
+	$if !network ? {
+		return
+	}
 	urls := ['http://vlang.io/utc_now', 'https://vlang.io/utc_now']
 	for url in urls {
 		println('Test getting current time from $url by http.get')
-		res := http.get(url) or { panic(err) }
+		res := http.get(url) or {
+			panic(err)
+		}
 		assert 200 == res.status_code
 		assert res.text.len > 0
 		assert res.text.int() > 1566403696
-		println('Current time is: ${res.text.int()}')
+		println('Current time is: $res.text.int()')
 	}
 }
 
 fn test_public_servers() {
-	$if !network ? { return }
+	$if !network ? {
+		return
+	}
 	urls := [
 		'http://github.com/robots.txt',
 		'http://google.com/robots.txt',
 		'https://github.com/robots.txt',
 		'https://google.com/robots.txt',
-//		'http://yahoo.com/robots.txt',
-//		'https://yahoo.com/robots.txt',
+		// 'http://yahoo.com/robots.txt',
+		// 'https://yahoo.com/robots.txt',
 	]
 	for url in urls {
 		println('Testing http.get on public url: $url ')
-		res :=  http.get( url ) or { panic(err) }
+		res := http.get(url) or {
+			panic(err)
+		}
 		assert 200 == res.status_code
 		assert res.text.len > 0
 	}
 }
 
 fn test_relative_redirects() {
-	$if !network ? { return }
-	$else { return } // tempfix periodic: httpbin relative redirects are broken
-	res := http.get('https://httpbin.org/relative-redirect/3?abc=xyz') or { panic(err) }
+	$if !network ? {
+		return
+	} $else {
+		return
+	} // tempfix periodic: httpbin relative redirects are broken
+	res := http.get('https://httpbin.org/relative-redirect/3?abc=xyz') or {
+		panic(err)
+	}
 	assert 200 == res.status_code
 	assert res.text.len > 0
 	assert res.text.contains('"abc": "xyz"')
 }
-
diff --git a/vlib/net/socket.v b/vlib/net/socket.v
index 492a7de9a..e5b41cb87 100644
--- a/vlib/net/socket.v
+++ b/vlib/net/socket.v
@@ -4,10 +4,10 @@ import os
 
 pub struct Socket {
 pub:
-	sockfd int
-	family int
-	typ    int
-	proto  int
+	sockfd               int
+	family               int
+	typ                  int
+	proto                int
 pub mut:
 	max_single_send_size int = 64000
 }
@@ -75,12 +75,12 @@ fn C.inet_ntop(af int, src voidptr, dst charptr, dst_size int) charptr
 fn C.getpeername(sockfd int, addr &C.sockaddr_in, addrsize &int) int
 
 // create socket
-pub fn new_socket(family, typ, proto int) ?Socket {
+pub fn new_socket(family int, typ int, proto int) ?Socket {
 	sockfd := C.socket(family, typ, proto)
 	one := 1
 	// This is needed so that there are no problems with reusing the
 	// same port after the application exits.
-	C.setsockopt(sockfd, C.SOL_SOCKET, C.SO_REUSEADDR, &one, sizeof(int))
+	C.setsockopt(sockfd, C.SOL_SOCKET, C.SO_REUSEADDR, &one, sizeof(voidptr))
 	if sockfd == -1 {
 		return error('net.socket: failed')
 	}
@@ -98,8 +98,8 @@ pub fn socket_udp() ?Socket {
 }
 
 // set socket options
-pub fn (s Socket) setsockopt(level, optname int, optvalue &int) ?int {
-	res := C.setsockopt(s.sockfd, level, optname, optvalue, sizeof(&int))
+pub fn (s Socket) setsockopt(level int, optname int, optvalue &int) ?int {
+	res := C.setsockopt(s.sockfd, level, optname, optvalue, sizeof(int))
 	if res < 0 {
 		return error('net.setsocketopt: failed with $res')
 	}
@@ -153,9 +153,9 @@ pub fn listen(port int) ?Socket {
 	$if debug {
 		println('net.listen($port)')
 	}
-	s := new_socket(C.AF_INET, C.SOCK_STREAM, 0)?
-	s.bind(port)?
-	s.listen()?
+	s := new_socket(C.AF_INET, C.SOCK_STREAM, 0) ?
+	s.bind(port) ?
+	s.listen() ?
 	return s
 }
 
@@ -190,7 +190,7 @@ pub fn (s Socket) peer_ip() ?string {
 	cstr := C.inet_ntop(C.AF_INET, &peeraddr.sin_addr, buf, sizeof(buf))
 	if cstr == 0 {
 		return error('net.peer_ip: inet_ntop failed')
-	}    
+	}
 	return cstring_to_vstring(cstr)
 }
 
@@ -222,8 +222,8 @@ pub fn (s Socket) connect(address string, port int) ?int {
 
 // helper method to create socket and connect
 pub fn dial(address string, port int) ?Socket {
-	s := new_socket(C.AF_INET, C.SOCK_STREAM, 0)?
-	s.connect(address, port)?
+	s := new_socket(C.AF_INET, C.SOCK_STREAM, 0) ?
+	s.connect(address, port) ?
 	return s
 }
 
diff --git a/vlib/net/urllib/urllib.v b/vlib/net/urllib/urllib.v
index a13907cc6..3e88a7993 100644
--- a/vlib/net/urllib/urllib.v
+++ b/vlib/net/urllib/urllib.v
@@ -22,10 +22,10 @@ enum EncodingMode {
 
 const (
 	err_msg_escape = 'unescape: invalid URL escape'
-	err_msg_parse = 'parse: failed parsing url'
+	err_msg_parse  = 'parse: failed parsing url'
 )
 
-fn error_msg(message, val string) string {
+fn error_msg(message string, val string) string {
 	mut msg := 'net.urllib.$message'
 	if val != '' {
 		msg = '$msg ($val)'
@@ -53,7 +53,8 @@ fn should_escape(c byte, mode EncodingMode) bool {
 		// we could possibly allow, and parse will reject them if we
 		// escape them (because hosts can`t use %-encoding for
 		// ASCII bytes).
-		if c in [`!`, `$`, `&`, `\\`, `(`, `)`, `*`, `+`, `,`, `;`, `=`, `:`, `[`, `]`, `<`, `>`, `"`] {
+		if c in
+			[`!`, `$`, `&`, `\\`, `(`, `)`, `*`, `+`, `,`, `;`, `=`, `:`, `[`, `]`, `<`, `>`, `"`] {
 			return false
 		}
 	}
@@ -100,11 +101,11 @@ fn should_escape(c byte, mode EncodingMode) bool {
 					// everything, so escape nothing.
 					return false
 				}
-				else {
-				}}
+				else {}
+			}
 		}
-		else {
-		}}
+		else {}
+	}
 	if mode == .encode_fragment {
 		// RFC 3986 §2.2 allows not escaping sub-delims. A subset of sub-delims are
 		// included in reserved from RFC 2396 §2.2. The remaining sub-delims do not
@@ -113,11 +114,9 @@ fn should_escape(c byte, mode EncodingMode) bool {
 		// escape single quote to avoid breaking callers that had previously assumed that
 		// single quotes would be escaped. See issue #19917.
 		match c {
-			`!`, `(`, `)`, `*` {
-				return false
-			}
-			else {
-			}}
+			`!`, `(`, `)`, `*` { return false }
+			else {}
+		}
 	}
 	// Everything else must be escaped.
 	return true
@@ -150,55 +149,58 @@ fn unescape(s_ string, mode EncodingMode) ?string {
 	// Count %, check that they're well-formed.
 	mut n := 0
 	mut has_plus := false
-	for i := 0; i < s.len;  {
+	for i := 0; i < s.len; {
 		x := s[i]
 		match x {
-		`%` {
-			if s == '' {
-				break
-			}
-			n++
-			if i + 2 >= s.len || !ishex(s[i + 1]) || !ishex(s[i + 2]) {
-				s = s[i..]
-				if s.len > 3 {
-					s = s[..3]
+			`%` {
+				if s == '' {
+					break
+				}
+				n++
+				if i + 2 >= s.len || !ishex(s[i + 1]) || !ishex(s[i + 2]) {
+					s = s[i..]
+					if s.len > 3 {
+						s = s[..3]
+					}
+					return error(error_msg(err_msg_escape, s))
+				}
+				// Per https://tools.ietf.org/html/rfc3986#page-21
+				// in the host component %-encoding can only be used
+				// for non-ASCII bytes.
+				// But https://tools.ietf.org/html/rfc6874#section-2
+				// introduces %25 being allowed to escape a percent sign
+				// in IPv6 scoped-address literals. Yay.
+				if mode == .encode_host && unhex(s[i + 1]) < 8 && s[i..i + 3] != '%25' {
+					return error(error_msg(err_msg_escape, s[i..i + 3]))
 				}
-				return error(error_msg(err_msg_escape, s))
+				if mode == .encode_zone {
+					// RFC 6874 says basically 'anything goes' for zone identifiers
+					// and that even non-ASCII can be redundantly escaped,
+					// but it seems prudent to restrict %-escaped bytes here to those
+					// that are valid host name bytes in their unescaped form.
+					// That is, you can use escaping in the zone identifier but not
+					// to introduce bytes you couldn't just write directly.
+					// But Windows puts spaces here! Yay.
+					v := ((unhex(s[i + 1]) << byte(4)) | unhex(s[i + 2]))
+					if s[i..i + 3] != '%25' && v != ` ` && should_escape(v, .encode_host) {
+						error(error_msg(err_msg_escape, s[i..i + 3]))
+					}
+				}
+				i += 3
 			}
-			// Per https://tools.ietf.org/html/rfc3986#page-21
-			// in the host component %-encoding can only be used
-			// for non-ASCII bytes.
-			// But https://tools.ietf.org/html/rfc6874#section-2
-			// introduces %25 being allowed to escape a percent sign
-			// in IPv6 scoped-address literals. Yay.
-			if mode == .encode_host && unhex(s[i + 1]) < 8 && s[i..i + 3] != '%25' {
-				return error(error_msg(err_msg_escape, s[i..i + 3]))
+			`+` {
+				has_plus = mode == .encode_query_component
+				i++
 			}
-			if mode == .encode_zone {
-				// RFC 6874 says basically 'anything goes' for zone identifiers
-				// and that even non-ASCII can be redundantly escaped,
-				// but it seems prudent to restrict %-escaped bytes here to those
-				// that are valid host name bytes in their unescaped form.
-				// That is, you can use escaping in the zone identifier but not
-				// to introduce bytes you couldn't just write directly.
-				// But Windows puts spaces here! Yay.
-				v := ( (unhex(s[i + 1])<<byte(4)) | unhex(s[i + 2]))
-				if s[i..i + 3] != '%25' && v != ` ` && should_escape(v, .encode_host) {
-					error(error_msg(err_msg_escape, s[i..i + 3]))
+			else {
+				if (mode == .encode_host ||
+					mode == .encode_zone) &&
+					s[i] < 0x80 && should_escape(s[i], mode) {
+					error(error_msg('unescape: invalid character in host name', s[i..i + 1]))
 				}
+				i++
 			}
-			i += 3
 		}
-		`+` {
-			has_plus = mode == .encode_query_component
-			i++
-		}
-		else {
-			if (mode == .encode_host || mode == .encode_zone) && s[i] < 0x80 && should_escape(s[i], mode) {
-				error(error_msg('unescape: invalid character in host name', s[i..i + 1]))
-			}
-			i++
-		}}
 	}
 	if n == 0 && !has_plus {
 		return s
@@ -208,20 +210,20 @@ fn unescape(s_ string, mode EncodingMode) ?string {
 		x := s[i]
 		match x {
 			`%` {
-				t.write( ((unhex(s[i + 1])<<byte(4)) | unhex(s[i + 2])).str() )
+				t.write(((unhex(s[i + 1]) << byte(4)) | unhex(s[i + 2])).str())
 				i += 2
 			}
 			`+` {
 				if mode == .encode_query_component {
 					t.write(' ')
-				}
-				else {
+				} else {
 					t.write('+')
 				}
 			}
 			else {
 				t.write(s[i].str())
-			}}
+			}
+		}
 	}
 	return t.str()
 }
@@ -242,13 +244,12 @@ fn escape(s string, mode EncodingMode) string {
 	mut space_count := 0
 	mut hex_count := 0
 	mut c := byte(0)
-	for i in 0..s.len {
+	for i in 0 .. s.len {
 		c = s[i]
 		if should_escape(c, mode) {
 			if c == ` ` && mode == .encode_query_component {
 				space_count++
-			}
-			else {
+			} else {
 				hex_count++
 			}
 		}
@@ -256,18 +257,17 @@ fn escape(s string, mode EncodingMode) string {
 	if space_count == 0 && hex_count == 0 {
 		return s
 	}
-	buf := []byte{len:(64)}
+	buf := []byte{len: (64)}
 	mut t := []byte{}
 	required := s.len + 2 * hex_count
 	if required <= buf.len {
 		t = buf[..required]
-	}
-	else {
-		t = []byte{len:(required)}
+	} else {
+		t = []byte{len: (required)}
 	}
 	if hex_count == 0 {
 		copy(t, s.bytes())
-		for i in 0..s.len {
+		for i in 0 .. s.len {
 			if s[i] == ` ` {
 				t[i] = `+`
 			}
@@ -276,19 +276,17 @@ fn escape(s string, mode EncodingMode) string {
 	}
 	upperhex := '0123456789ABCDEF'
 	mut j := 0
-	for i in 0..s.len {
+	for i in 0 .. s.len {
 		c1 := s[i]
 		if c1 == ` ` && mode == .encode_query_component {
 			t[j] = `+`
 			j++
-		}
-		else if should_escape(c1, mode) {
+		} else if should_escape(c1, mode) {
 			t[j] = `%`
-			t[j + 1] = upperhex[c1>>4]
+			t[j + 1] = upperhex[c1 >> 4]
 			t[j + 2] = upperhex[c1 & 15]
 			j += 3
-		}
-		else {
+		} else {
 			t[j] = s[i]
 			j++
 		}
@@ -345,9 +343,8 @@ pub fn user(username string) &Userinfo {
 // ``is NOT RECOMMENDED, because the passing of authentication
 // information in clear text (such as URI) has proven to be a
 // security risk in almost every case where it has been used.''
-fn user_password(username, password string) &Userinfo {
-	return &Userinfo{
-		username,password,true}
+fn user_password(username string, password string) &Userinfo {
+	return &Userinfo{username, password, true}
 }
 
 // The Userinfo type is an immutable encapsulation of username and
@@ -382,23 +379,20 @@ fn (u &Userinfo) str() string {
 // (scheme must be [a-zA-Z][a-zA-Z0-9+-.]*)
 // If so, return [scheme, path]; else return ['', rawurl]
 fn split_by_scheme(rawurl string) ?[]string {
-	for i in 0..rawurl.len {
+	for i in 0 .. rawurl.len {
 		c := rawurl[i]
 		if (`a` <= c && c <= `z`) || (`A` <= c && c <= `Z`) {
 			// do nothing
-		}
-		else if (`0` <= c && c <= `9`) || (c == `+` || c == `-` || c == `.`) {
+		} else if (`0` <= c && c <= `9`) || (c == `+` || c == `-` || c == `.`) {
 			if i == 0 {
 				return ['', rawurl]
 			}
-		}
-		else if c == `:` {
+		} else if c == `:` {
 			if i == 0 {
 				return error(error_msg('split_by_scheme: missing protocol scheme', ''))
 			}
 			return [rawurl[..i], rawurl[i + 1..]]
-		}
-		else {
+		} else {
 			// we have encountered an invalid character,
 			// so there is no valid scheme
 			return ['', rawurl]
@@ -417,15 +411,15 @@ fn get_scheme(rawurl string) ?string {
 // split slices s into two substrings separated by the first occurence of
 // sep. If cutc is true then sep is included with the second substring.
 // If sep does not occur in s then s and the empty string is returned.
-fn split(s string, sep byte, cutc bool) (string,string) {
+fn split(s string, sep byte, cutc bool) (string, string) {
 	i := s.index_byte(sep)
 	if i < 0 {
-		return s,''
+		return s, ''
 	}
 	if cutc {
-		return s[..i],s[i + 1..]
+		return s[..i], s[i + 1..]
 	}
-	return s[..i],s[i..]
+	return s[..i], s[i..]
 }
 
 // parse parses rawurl into a URL structure.
@@ -436,7 +430,7 @@ fn split(s string, sep byte, cutc bool) (string,string) {
 // error, due to parsing ambiguities.
 pub fn parse(rawurl string) ?URL {
 	// Cut off #frag
-	u,frag := split(rawurl, `#`, true)
+	u, frag := split(rawurl, `#`, true)
 	mut url := parse_url(u, false) or {
 		return error(error_msg(err_msg_parse, u))
 	}
@@ -479,7 +473,7 @@ fn parse_url(rawurl string, via_request bool) ?URL {
 	}
 	// Split off possible leading 'http:', 'mailto:', etc.
 	// Cannot contain escaped characters.
-	p := split_by_scheme(rawurl)?
+	p := split_by_scheme(rawurl) ?
 	url.scheme = p[0]
 	mut rest := p[1]
 	url.scheme = url.scheme.to_lower()
@@ -487,9 +481,8 @@ fn parse_url(rawurl string, via_request bool) ?URL {
 	if rest.ends_with('?') && !rest[..1].contains('?') {
 		url.force_query = true
 		rest = rest[..rest.len - 1]
-	}
-	else {
-		r,raw_query := split(rest, `?`, true)
+	} else {
+		r, raw_query := split(rest, `?`, true)
 		rest = r
 		url.raw_query = raw_query
 	}
@@ -516,13 +509,14 @@ fn parse_url(rawurl string, via_request bool) ?URL {
 		}
 		if colon >= 0 && (slash < 0 || colon < slash) {
 			// First path segment has colon. Not allowed in relative URL.
-			return error(error_msg('parse_url: first path segment in URL cannot contain colon', ''))
+			return error(error_msg('parse_url: first path segment in URL cannot contain colon',
+				''))
 		}
 	}
 	if ((url.scheme != '' || !via_request) && !rest.starts_with('///')) && rest.starts_with('//') {
-		authority,r := split(rest[2..], `/`, false)
+		authority, r := split(rest[2..], `/`, false)
 		rest = r
-		a := parse_authority(authority)?
+		a := parse_authority(authority) ?
 		url.user = a.user
 		url.host = a.host
 	}
@@ -530,7 +524,7 @@ fn parse_url(rawurl string, via_request bool) ?URL {
 	// raw_path is a hint of the encoding of path. We don't want to set it if
 	// the default escaping of path is equivalent, to help make sure that people
 	// don't rely on it in general.
-	url.set_path(rest)?
+	url.set_path(rest) ?
 	return url
 }
 
@@ -546,11 +540,10 @@ fn parse_authority(authority string) ?ParseAuthorityRes {
 	mut host := ''
 	mut zuser := user('')
 	if i < 0 {
-		h := parse_host(authority)?
+		h := parse_host(authority) ?
 		host = h
-	}
-	else {
-		h := parse_host(authority[i + 1..])?
+	} else {
+		h := parse_host(authority[i + 1..]) ?
 		host = h
 	}
 	if i < 0 {
@@ -564,15 +557,14 @@ fn parse_authority(authority string) ?ParseAuthorityRes {
 		return error(error_msg('parse_authority: invalid userinfo', ''))
 	}
 	if !userinfo.contains(':') {
-		u := unescape(userinfo, .encode_user_password)?
+		u := unescape(userinfo, .encode_user_password) ?
 		userinfo = u
 		zuser = user(userinfo)
-	}
-	else {
-		mut username,mut password := split(userinfo, `:`, true)
-		u := unescape(username, .encode_user_password)?
+	} else {
+		mut username, mut password := split(userinfo, `:`, true)
+		u := unescape(username, .encode_user_password) ?
 		username = u
-		p := unescape(password, .encode_user_password)?
+		p := unescape(password, .encode_user_password) ?
 		password = p
 		zuser = user_password(username, password)
 	}
@@ -593,7 +585,8 @@ fn parse_host(host string) ?string {
 		}
 		mut colon_port := host[i + 1..]
 		if !valid_optional_port(colon_port) {
-			return error(error_msg('parse_host: invalid port $colon_port after host ', ''))
+			return error(error_msg('parse_host: invalid port $colon_port after host ',
+				''))
 		}
 		// RFC 6874 defines that %25 (%-encoded percent) introduces
 		// the zone identifier, and the zone identifier can use basically
@@ -601,7 +594,7 @@ fn parse_host(host string) ?string {
 		// can only %-encode non-ASCII bytes.
 		// We do impose some restrictions on the zone, to avoid stupidity
 		// like newlines.
-		if zone:=host[..i].index('%25'){
+		if zone := host[..i].index('%25') {
 			host1 := unescape(host[..zone], .encode_host) or {
 				return err
 			}
@@ -613,10 +606,11 @@ fn parse_host(host string) ?string {
 			}
 			return host1 + host2 + host3
 		}
-		if idx:=host.last_index(':'){
+		if idx := host.last_index(':') {
 			colon_port = host[idx..]
 			if !valid_optional_port(colon_port) {
-				return error(error_msg('parse_host: invalid port $colon_port after host ', ''))
+				return error(error_msg('parse_host: invalid port $colon_port after host ',
+					''))
 			}
 		}
 	}
@@ -627,6 +621,7 @@ fn parse_host(host string) ?string {
 	// host = h
 	// return host
 }
+
 // set_path sets the path and raw_path fields of the URL based on the provided
 // escaped path p. It maintains the invariant that raw_path is only specified
 // when it differs from the default encoding of the path.
@@ -636,14 +631,13 @@ fn parse_host(host string) ?string {
 // set_path will return an error only if the provided path contains an invalid
 // escaping.
 pub fn (mut u URL) set_path(p string) ?bool {
-	path := unescape(p, .encode_path)?
+	path := unescape(p, .encode_path) ?
 	u.path = path
 	escp := escape(path, .encode_path)
 	if p == escp {
 		// Default encoding is fine.
 		u.raw_path = ''
-	}
-	else {
+	} else {
 		u.raw_path = p
 	}
 	return true
@@ -674,7 +668,7 @@ fn (u &URL) escaped_path() string {
 // valid_encoded_path reports whether s is a valid encoded path.
 // It must not contain any bytes that require escaping during path encoding.
 fn valid_encoded_path(s string) bool {
-	for i in 0..s.len {
+	for i in 0 .. s.len {
 		// RFC 3986, Appendix A.
 		// pchar = unreserved / pct-encoded / sub-delims / ':' / '@'.
 		// should_escape is not quite compliant with the RFC,
@@ -695,7 +689,8 @@ fn valid_encoded_path(s string) bool {
 				if should_escape(s[i], .encode_path) {
 					return false
 				}
-			}}
+			}
+		}
 	}
 	return true
 }
@@ -746,8 +741,7 @@ pub fn (u URL) str() string {
 	}
 	if u.opaque != '' {
 		buf.write(u.opaque)
-	}
-	else {
+	} else {
 		if u.scheme != '' || u.host != '' || (u.user != 0 && !u.user.empty()) {
 			if u.host != '' || u.path != '' || !u.user.empty() {
 				buf.write('//')
@@ -804,7 +798,7 @@ pub fn (u URL) str() string {
 // interpreted as a key set to an empty value.
 pub fn parse_query(query string) ?Values {
 	mut m := new_values()
-	parse_query_values(mut m, query)?
+	parse_query_values(mut m, query) ?
 	return m
 }
 
@@ -825,15 +819,14 @@ fn parse_query_values(mut m Values, query string) ?bool {
 		if i >= 0 {
 			q = key[i + 1..]
 			key = key[..i]
-		}
-		else {
+		} else {
 			q = ''
 		}
 		if key == '' {
 			continue
 		}
 		mut value := ''
-		if idx:=key.index('='){
+		if idx := key.index('=') {
 			i = idx
 			value = key[i + 1..]
 			key = key[..i]
@@ -885,18 +878,16 @@ pub fn (v Values) encode() string {
 
 // resolve_path applies special path segments from refs and applies
 // them to base, per RFC 3986.
-fn resolve_path(base, ref string) string {
+fn resolve_path(base string, ref string) string {
 	mut full := ''
 	if ref == '' {
 		full = base
-	}
-	else if ref[0] != `/` {
+	} else if ref[0] != `/` {
 		i := base.last_index('/') or {
 			-1
 		}
 		full = base[..i + 1] + ref
-	}
-	else {
+	} else {
 		full = ref
 	}
 	if full == '' {
@@ -916,7 +907,8 @@ fn resolve_path(base, ref string) string {
 			}
 			else {
 				dst << elem
-			}}
+			}
+		}
 	}
 	last := src[src.len - 1]
 	if last == '.' || last == '..' {
@@ -936,7 +928,7 @@ pub fn (u &URL) is_abs() bool {
 // may be relative or absolute. parse returns nil, err on parse
 // failure, otherwise its return value is the same as resolve_reference.
 pub fn (u &URL) parse(ref string) ?URL {
-	refurl := parse(ref)?
+	refurl := parse(ref) ?
 	return u.resolve_reference(refurl)
 }
 
@@ -955,7 +947,7 @@ pub fn (u &URL) resolve_reference(ref &URL) ?URL {
 		// The 'absoluteURI' or 'net_path' cases.
 		// We can ignore the error from set_path since we know we provided a
 		// validly-escaped path.
-		url.set_path(resolve_path(ref.escaped_path(), ''))?
+		url.set_path(resolve_path(ref.escaped_path(), '')) ?
 		return url
 	}
 	if ref.opaque != '' {
@@ -973,7 +965,7 @@ pub fn (u &URL) resolve_reference(ref &URL) ?URL {
 	// The 'abs_path' or 'rel_path' cases.
 	url.host = u.host
 	url.user = u.user
-	url.set_path(resolve_path(u.escaped_path(), ref.escaped_path()))?
+	url.set_path(resolve_path(u.escaped_path(), ref.escaped_path())) ?
 	return url
 }
 
@@ -994,8 +986,7 @@ pub fn (u &URL) request_uri() string {
 		if result == '' {
 			result = '/'
 		}
-	}
-	else {
+	} else {
 		if result.starts_with('//') {
 			result = u.scheme + ':' + result
 		}
@@ -1011,21 +1002,21 @@ pub fn (u &URL) request_uri() string {
 // If the result is enclosed in square brackets, as literal IPv6 addresses are,
 // the square brackets are removed from the result.
 pub fn (u &URL) hostname() string {
-	host,_ := split_host_port(u.host)
+	host, _ := split_host_port(u.host)
 	return host
 }
 
 // port returns the port part of u.host, without the leading colon.
 // If u.host doesn't contain a port, port returns an empty string.
 pub fn (u &URL) port() string {
-	_,port := split_host_port(u.host)
+	_, port := split_host_port(u.host)
 	return port
 }
 
 // split_host_port separates host and port. If the port is not valid, it returns
 // the entire input as host, and it doesn't check the validity of the host.
 // Per RFC 3986, it requires ports to be numeric.
-fn split_host_port(hostport string) (string,string) {
+fn split_host_port(hostport string) (string, string) {
 	mut host := hostport
 	mut port := ''
 	colon := host.last_index_byte(`:`)
@@ -1036,7 +1027,7 @@ fn split_host_port(hostport string) (string,string) {
 	if host.starts_with('[') && host.ends_with(']') {
 		host = host[1..host.len - 1]
 	}
-	return host,port
+	return host, port
 }
 
 // valid_userinfo reports whether s is a valid userinfo string per RFC 3986
@@ -1059,19 +1050,16 @@ pub fn valid_userinfo(s string) bool {
 			continue
 		}
 		match r {
-			`-`, `.`, `_`, `:`, `~`, `!`, `$`, `&`, `\\`, `(`, `)`, `*`, `+`, `,`, `;`, `=`, `%`, `@` {
-				continue
-			}
-			else {
-				return false
-			}}
+			`-`, `.`, `_`, `:`, `~`, `!`, `$`, `&`, `\\`, `(`, `)`, `*`, `+`, `,`, `;`, `=`, `%`, `@` { continue }
+			else { return false }
+		}
 	}
 	return true
 }
 
 // string_contains_ctl_byte reports whether s contains any ASCII control character.
 fn string_contains_ctl_byte(s string) bool {
-	for i in 0..s.len {
+	for i in 0 .. s.len {
 		b := s[i]
 		if b < ` ` || b == 0x7f {
 			return true
@@ -1083,11 +1071,9 @@ fn string_contains_ctl_byte(s string) bool {
 pub fn ishex(c byte) bool {
 	if `0` <= c && c <= `9` {
 		return true
-	}
-	else if `a` <= c && c <= `f` {
+	} else if `a` <= c && c <= `f` {
 		return true
-	}
-	else if `A` <= c && c <= `F` {
+	} else if `A` <= c && c <= `F` {
 		return true
 	}
 	return false
@@ -1096,11 +1082,9 @@ pub fn ishex(c byte) bool {
 fn unhex(c byte) byte {
 	if `0` <= c && c <= `9` {
 		return c - `0`
-	}
-	else if `a` <= c && c <= `f` {
+	} else if `a` <= c && c <= `f` {
 		return c - `a` + 10
-	}
-	else if `A` <= c && c <= `F` {
+	} else if `A` <= c && c <= `F` {
 		return c - `A` + 10
 	}
 	return 0
diff --git a/vlib/net/urllib/values.v b/vlib/net/urllib/values.v
index f84e62b38..5dbfd0c4e 100644
--- a/vlib/net/urllib/values.v
+++ b/vlib/net/urllib/values.v
@@ -11,7 +11,7 @@ pub mut:
 struct Values {
 pub mut:
 	data map[string]Value
-	len int
+	len  int
 }
 
 // new_values returns a new Values struct for creating
@@ -20,7 +20,7 @@ pub mut:
 // values.encode() will return the encoded data
 pub fn new_values() Values {
 	return Values{
-		data: map[string]Value
+		data: map[string]Value{}
 	}
 }
 
@@ -61,7 +61,7 @@ pub fn (v &Values) get_all(key string) []string {
 
 // set sets the key to value. It replaces any existing
 // values.
-pub fn (mut v Values) set(key, value string) {
+pub fn (mut v Values) set(key string, value string) {
 	mut a := v.data[key]
 	a.data = [value]
 	v.data[key] = a
@@ -70,7 +70,7 @@ pub fn (mut v Values) set(key, value string) {
 
 // add adds the value to key. It appends to any existing
 // values associated with key.
-pub fn (mut v Values) add(key, value string) {
+pub fn (mut v Values) add(key string, value string) {
 	mut a := v.data[key]
 	if a.data.len == 0 {
 		a.data = []
diff --git a/vlib/v/doc/doc.v b/vlib/v/doc/doc.v
index 036f45c9d..e024fd102 100644
--- a/vlib/v/doc/doc.v
+++ b/vlib/v/doc/doc.v
@@ -191,13 +191,13 @@ pub fn (mut nodes []DocNode) sort_by_category() {
 	nodes.sort_with_compare(compare_nodes_by_category)
 }
 
-fn compare_nodes_by_name(a, b &DocNode) int {
+fn compare_nodes_by_name(a &DocNode, b &DocNode) int {
 	al := a.name.to_lower()
 	bl := b.name.to_lower()
 	return compare_strings(al, bl)
 }
 
-fn compare_nodes_by_category(a, b &DocNode) int {
+fn compare_nodes_by_category(a &DocNode, b &DocNode) int {
 	al := a.attrs['category']
 	bl := b.attrs['category']
 	return compare_strings(al, bl)
@@ -217,7 +217,7 @@ pub fn (nodes []DocNode) find_children_of(parent string) []DocNode {
 	return nodes.find_nodes_with_attr('parent', parent)
 }
 
-pub fn (nodes []DocNode) find_nodes_with_attr(attr_name, value string) []DocNode {
+pub fn (nodes []DocNode) find_nodes_with_attr(attr_name string, value string) []DocNode {
 	mut subgroup := []DocNode{}
 	if attr_name.len == 0 {
 		return subgroup
@@ -509,7 +509,7 @@ fn (mut d Doc) generate() ?Doc {
 	return *d
 }
 
-pub fn generate_from_pos(input_path, filename string, pos int) ?Doc {
+pub fn generate_from_pos(input_path string, filename string, pos int) ?Doc {
 	mut doc := new(input_path)
 	doc.pub_only = false
 	doc.with_comments = true
@@ -519,7 +519,7 @@ pub fn generate_from_pos(input_path, filename string, pos int) ?Doc {
 	return doc.generate()
 }
 
-pub fn generate(input_path string, pub_only, with_comments bool) ?Doc {
+pub fn generate(input_path string, pub_only bool, with_comments bool) ?Doc {
 	mut doc := new(input_path)
 	doc.pub_only = pub_only
 	doc.with_comments = with_comments
-- 
2.30.2