67 lines
1.5 KiB
Rust
67 lines
1.5 KiB
Rust
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// Copyright 2016 The Rust Project Developers. See the COPYRIGHT
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// file at the top-level directory of this distribution and at
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// http://rust-lang.org/COPYRIGHT.
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//
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// Licensed under the Apache License, Version 2.0 <LICENSE-APACHE or
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// http://www.apache.org/licenses/LICENSE-2.0> or the MIT license
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// <LICENSE-MIT or http://opensource.org/licenses/MIT>, at your
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// option. This file may not be copied, modified, or distributed
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// except according to those terms.
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fn tuple() {
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let x = (1, 2, 3);
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match x {
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(1, 2, 4) => unreachable!(),
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(0, 2, 3, ..) => unreachable!(),
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(0, .., 3) => unreachable!(),
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(0, ..) => unreachable!(),
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(1, 2, 3) => (),
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(_, _, _) => unreachable!(),
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}
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match x {
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(..) => (),
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}
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match x {
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(_, _, _, ..) => (),
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}
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match x {
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(a, b, c) => {
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assert_eq!(1, a);
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assert_eq!(2, b);
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assert_eq!(3, c);
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}
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}
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}
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fn tuple_struct() {
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struct S(u8, u8, u8);
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let x = S(1, 2, 3);
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match x {
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S(1, 2, 4) => unreachable!(),
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S(0, 2, 3, ..) => unreachable!(),
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S(0, .., 3) => unreachable!(),
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S(0, ..) => unreachable!(),
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S(1, 2, 3) => (),
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S(_, _, _) => unreachable!(),
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}
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match x {
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S(..) => (),
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}
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match x {
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S(_, _, _, ..) => (),
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}
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match x {
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S(a, b, c) => {
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assert_eq!(1, a);
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assert_eq!(2, b);
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assert_eq!(3, c);
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}
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}
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}
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fn main() {
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tuple();
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tuple_struct();
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}
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