src/test/run-pass/match-byte-array-patterns.rs

   1 // Copyright 2016 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 #![feature(slice_patterns)]
  12
  13 fn main() {
  14     let buf = &[0u8; 4];
  15     match buf {
  16         &[0, 1, 0, 0] => unimplemented!(),
  17         b"true" => unimplemented!(),
  18         _ => {}
  19     }
  20
  21     match buf {
  22         b"true" => unimplemented!(),
  23         &[0, 1, 0, 0] => unimplemented!(),
  24         _ => {}
  25     }
  26
  27     match buf {
  28         b"true" => unimplemented!(),
  29         &[0, x, 0, 0] => assert_eq!(x, 0),
  30         _ => unimplemented!(),
  31     }
  32
  33     let buf: &[u8] = buf;
  34
  35     match buf {
  36         &[0, 1, 0, 0] => unimplemented!(),
  37         &[_] => unimplemented!(),
  38         &[_, _, _, _, _, ..] => unimplemented!(),
  39         b"true" => unimplemented!(),
  40         _ => {}
  41     }
  42
  43     match buf {
  44         b"true" => unimplemented!(),
  45         &[0, 1, 0, 0] => unimplemented!(),
  46         _ => {}
  47     }
  48
  49     match buf {
  50         b"true" => unimplemented!(),
  51         &[0, x, 0, 0] => assert_eq!(x, 0),
  52         _ => unimplemented!(),
  53     }
  54 }