vlib/v/checker/tests/invalid_variable_name_err.vv:2:2: error: invalid use of reserved type `string` as a variable name
    1 | fn main() {
    2 |     string := 'hello, world'
      |     ~~~~~~
    3 |     println(string)
    4 |
vlib/v/checker/tests/invalid_variable_name_err.vv:5:2: error: invalid use of reserved type `bool` as a variable name
    3 |     println(string)
    4 | 
    5 |     bool := true
      |     ~~~~
    6 |     println(bool)
    7 |
vlib/v/checker/tests/invalid_variable_name_err.vv:8:2: error: invalid use of reserved type `int` as a variable name
    6 |     println(bool)
    7 | 
    8 |     int := 22
      |     ~~~
    9 |     println(int)
   10 |
vlib/v/checker/tests/invalid_variable_name_err.vv:11:2: error: invalid use of reserved type `u64` as a variable name
    9 |     println(int)
   10 | 
   11 |     u64 := 222
      |     ~~~
   12 |     println(u64)
   13 |
vlib/v/checker/tests/invalid_variable_name_err.vv:14:2: error: invalid use of reserved type `f64` as a variable name
   12 |     println(u64)
   13 | 
   14 |     f64 := 2.22
      |     ~~~
   15 |     println(f64)
   16 |
vlib/v/checker/tests/invalid_variable_name_err.vv:17:2: error: invalid use of reserved type `map` as a variable name
   15 |     println(f64)
   16 | 
   17 |     map := map[string]string{}
      |     ~~~
   18 |     println(map)
   19 | }