// vtest vflags: -autofree

fn mark(s string) string {
	return s + '!'
}

fn accepts(s string) bool {
	return s.len > 0
}

fn side_effect() string {
	println('side effect called')
	return 'x'
}

fn main() {
	suffix := 'tcc/lib/libgc.dylib'
	flags := ['"thirdparty/tcc/lib/libgc.dylib"', 'other'].map(if it.ends_with(suffix + '"')
		&& it.starts_with('"') {
		'"/tmp/libgc.dylib"'
	} else {
		it
	})
	println(flags)
	branch_flags := ['a', 'b'].map(if it == 'a' {
		mark(it + 'x')
	} else {
		it
	})
	println(branch_flags)
	anon_flags := ['ax', 'b'].map(fn (it string) string {
		suffix := 'x'
		if it.ends_with(suffix + '') {
			return mark(it)
		}
		return it
	})
	println(anon_flags)
	anon_short_flags := ['a'].map(fn (it string) string {
		if true && accepts(it + '') {
			return mark(it)
		}
		return it
	})
	println(anon_short_flags)
	nested_suffix := '!'
	nested_flags := [['a'], ['b']].map(it.map(fn [nested_suffix] (s string) string {
		return mark(s + nested_suffix)
	})[0])
	println(nested_flags)
	needle := 'x'
	nested_any_flags := [['ax'], ['b']].map(if it.any(it.ends_with(needle + '')) {
		'hit'
	} else {
		'miss'
	})
	println(nested_any_flags)
	nested_filter_counts := [['ax'], ['b']].map(it.filter(it.ends_with(needle + '')).len)
	println(nested_filter_counts)
	nested_counts := [['ax'], ['b']].map(it.count(it.ends_with(needle + '')))
	println(nested_counts)
	nested_all_flags := [['ax'], ['b']].map(it.all(it.ends_with(needle + '')))
	println(nested_all_flags)
	short_flags := ['a'].map(if false && accepts(side_effect() + '') {
		'bad'
	} else {
		it
	})
	println(short_flags)
	evaluated_short_flags := ['a'].map(if true && accepts(it + '') {
		mark(it)
	} else {
		it
	})
	println(evaluated_short_flags)
	receiver_short_flags := ['a'].map(if false && (side_effect() + '').starts_with('x') {
		'bad'
	} else {
		it
	})
	println(receiver_short_flags)
	evaluated_receiver_flags := ['a'].map(if true && (it + '').starts_with('a') {
		mark(it)
	} else {
		it
	})
	println(evaluated_receiver_flags)
	// This regression only needs the generated C to compile.
	exit(0)
}