rust/src/test/compile-fail/struct-pattern-match-useless.rs
2017-01-03 15:31:46 +08:00

26 lines
705 B
Rust

// Copyright 2014 The Rust Project Developers. See the COPYRIGHT
// file at the top-level directory of this distribution and at
// http://rust-lang.org/COPYRIGHT.
//
// Licensed under the Apache License, Version 2.0 <LICENSE-APACHE or
// http://www.apache.org/licenses/LICENSE-2.0> or the MIT license
// <LICENSE-MIT or http://opensource.org/licenses/MIT>, at your
// option. This file may not be copied, modified, or distributed
// except according to those terms.
#![deny(unreachable_patterns)]
struct Foo {
x: isize,
y: isize,
}
pub fn main() {
let a = Foo { x: 1, y: 2 };
match a {
Foo { x: _x, y: _y } => (),
Foo { .. } => () //~ ERROR unreachable pattern
}
}