src/test/ui/run-pass/binding/match-range-infer.rs

   1 // Copyright 2015 The Rust Project Developers. See the COPYRIGHT
   2 // file at the top-level directory of this distribution and at
   3 // http://rust-lang.org/COPYRIGHT.
   4 //
   5 // Licensed under the Apache License, Version 2.0 <LICENSE-APACHE or
   6 // http://www.apache.org/licenses/LICENSE-2.0> or the MIT license
   7 // <LICENSE-MIT or http://opensource.org/licenses/MIT>, at your
   8 // option. This file may not be copied, modified, or distributed
   9 // except according to those terms.
  10
  11 // run-pass
  12 // Test that type inference for range patterns works correctly (is bi-directional).
  13
  14 pub fn main() {
  15     match 1 {
  16         1 ..= 3 => {}
  17         _ => panic!("should match range")
  18     }
  19     match 1 {
  20         1 ..= 3u16 => {}
  21         _ => panic!("should match range with inferred start type")
  22     }
  23     match 1 {
  24         1u16 ..= 3 => {}
  25         _ => panic!("should match range with inferred end type")
  26     }
  27 }