rust/src/test/compile-fail/issue-2611-5.rs

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// Copyright 2012 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.
// Tests that ty params get matched correctly when comparing
// an impl against a trait
use iter::BaseIter;
trait A {
fn b<C:Copy, D>(x: C) -> C;
}
struct E {
f: int
}
impl E: A {
// n.b. The error message is awful -- see #3404
fn b<F:Copy, G>(_x: G) -> G { fail!() } //~ ERROR method `b` has an incompatible type
}
fn main() {}