rust/src/test/run-pass/never-result.rs
2016-08-13 21:37:09 +08:00

25 lines
717 B
Rust

// Copyright 2015 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.
#![feature(never_type)]
fn main() {
let x: Result<u32, !> = Ok(123);
match x {
Ok(z) => (),
Err(y) => {
let q: u32 = y;
let w: i32 = y;
let e: String = y;
y
},
}
}