tests/ui/parser/require-parens-for-chained-comparison.rs

   1 fn main() {
   2     false == false == false;
   3     //~^ ERROR comparison operators cannot be chained
   4     //~| HELP split the comparison into two
   5
   6     false == 0 < 2;
   7     //~^ ERROR comparison operators cannot be chained
   8     //~| HELP parenthesize the comparison
   9
  10     f<X>();
  11     //~^ ERROR comparison operators cannot be chained
  12     //~| HELP use `::<...>` instead of `<...>` to specify lifetime, type, or const arguments
  13
  14     f<Result<Option<X>, Option<Option<X>>>(1, 2);
  15     //~^ ERROR comparison operators cannot be chained
  16     //~| HELP use `::<...>` instead of `<...>` to specify lifetime, type, or const arguments
  17
  18     let _ = f<u8, i8>();
  19     //~^ ERROR expected one of
  20     //~| HELP use `::<...>` instead of `<...>` to specify lifetime, type, or const arguments
  21
  22     let _ = f<'_, i8>();
  23     //~^ ERROR expected one of
  24     //~| HELP use `::<...>` instead of `<...>` to specify lifetime, type, or const arguments
  25     //~| ERROR expected
  26     //~| HELP add `'` to close the char literal
  27
  28     f<'_>();
  29     //~^ comparison operators cannot be chained
  30     //~| HELP use `::<...>` instead of `<...>` to specify lifetime, type, or const arguments
  31     //~| ERROR expected
  32     //~| HELP add `'` to close the char literal
  33
  34     let _ = f<u8>;
  35     //~^ ERROR comparison operators cannot be chained
  36     //~| HELP use `::<...>` instead of `<...>` to specify lifetime, type, or const arguments
  37     //~| HELP or use `(...)` if you meant to specify fn arguments
  38 }