| // Copyright 2016 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. |
| |
| enum Void {} |
| |
| fn main() { |
| let x: Result<u32, &'static Void> = Ok(23); |
| let _ = match x { //~ ERROR non-exhaustive |
| Ok(n) => n, |
| }; |
| |
| let x: &Void = unsafe { std::mem::uninitialized() }; |
| let _ = match x {}; //~ ERROR non-exhaustive |
| |
| let x: (Void,) = unsafe { std::mem::uninitialized() }; |
| let _ = match x {}; //~ ERROR non-exhaustive |
| |
| let x: [Void; 1] = unsafe { std::mem::uninitialized() }; |
| let _ = match x {}; //~ ERROR non-exhaustive |
| |
| let x: &[Void] = unsafe { std::mem::uninitialized() }; |
| let _ = match x { //~ ERROR non-exhaustive |
| &[] => (), |
| }; |
| |
| let x: Void = unsafe { std::mem::uninitialized() }; |
| let _ = match x {}; // okay |
| |
| let x: Result<u32, Void> = Ok(23); |
| let _ = match x { //~ ERROR non-exhaustive |
| Ok(x) => x, |
| }; |
| |
| let x: Result<u32, Void> = Ok(23); |
| let Ok(x) = x; |
| //~^ ERROR refutable |
| } |