rust/src/test/compile-fail/issue-13466.rs

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// 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.
// Regression test for #13466
pub fn main() {
// The expected arm type `Option<T>` has one type parameter, while
// the actual arm `Result<T, E>` has two. typeck should not be
// tricked into looking up a non-existing second type parameter.
let _x: uint = match Some(1u) {
//~^ ERROR mismatched types: expected `uint` but found `<generic #0>`
Ok(u) => u, //~ ERROR mismatched types: expected `std::option::Option<uint>`
Err(e) => fail!(e) //~ ERROR mismatched types: expected `std::option::Option<uint>`
};
}