rust/src/test/compile-fail/issue-5358-1.rs

// 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.

enum Either<T, U> { Left(T), Right(U) }
struct S(Either<usize, usize>);

fn main() {
    match S(Either::Left(5)) {
        Either::Right(_) => {}
        //~^ ERROR mismatched types
        //~| expected type `S`
        //~| found type `Either<_, _>`
        //~| expected struct `S`, found enum `Either`
        _ => {}
    }
}