src/test/ui/half-open-range-patterns/half-open-range-pats-syntactic-pass.rs

   1 // check-pass
   2
   3 // Test the parsing of half-open ranges.
   4
   5 #![feature(exclusive_range_pattern)]
   6
   7 fn main() {}
   8
   9 #[cfg(FALSE)]
  10 fn syntax() {
  11     match scrutinee {
  12         X.. | 0.. | 'a'.. | 0.0f32.. => {}
  13         ..=X | ..X => {}
  14         ..=0 | ..0 => {}
  15         ..='a' | ..'a' => {}
  16         ..=0.0f32 | ..0.0f32 => {}
  17     }
  18 }
  19
  20 fn syntax2() {
  21     macro_rules! mac {
  22         ($e:expr) => {
  23             match 0u8 { ..$e => {}, _ => {} }
  24             match 0u8 { ..=$e => {}, _ => {} }
  25             match 0u8 { $e.. => {}, _ => {} }
  26         }
  27     }
  28     mac!(42u8);
  29 }