rust/src/test/run-pass/unreachable-try-pattern.rs

23 lines
650 B
Rust
Raw Normal View History

// Copyright 2013 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)]
#![deny(unreachable_code)]
#![deny(unreachable_patterns)]
fn bar(x: Result<!, i32>) -> Result<u32, i32> {
x?
}
fn main() {
let _ = bar(Err(123));
}