src/test/run-pass/pat-tuple-6.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 fn tuple() {
  12     let x = (1, 2, 3, 4, 5);
  13     match x {
  14         (a, .., b, c) => {
  15             assert_eq!(a, 1);
  16             assert_eq!(b, 4);
  17             assert_eq!(c, 5);
  18         }
  19     }
  20     match x {
  21         (a, b, c, .., d) => {
  22             assert_eq!(a, 1);
  23             assert_eq!(b, 2);
  24             assert_eq!(c, 3);
  25             assert_eq!(d, 5);
  26         }
  27     }
  28 }
  29
  30 fn tuple_struct() {
  31     struct S(u8, u8, u8, u8, u8);
  32
  33     let x = S(1, 2, 3, 4, 5);
  34     match x {
  35         S(a, .., b, c) => {
  36             assert_eq!(a, 1);
  37             assert_eq!(b, 4);
  38             assert_eq!(c, 5);
  39         }
  40     }
  41     match x {
  42         S(a, b, c, .., d) => {
  43             assert_eq!(a, 1);
  44             assert_eq!(b, 2);
  45             assert_eq!(c, 3);
  46             assert_eq!(d, 5);
  47         }
  48     }
  49 }
  50
  51 fn main() {
  52     tuple();
  53     tuple_struct();
  54 }