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// Copyright 2017 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.
use std::fmt::Debug;
trait Foo {
fn foo(&self, _: &impl Debug);
}
impl Foo for () {
fn foo<U: Debug>(&self, _: &U) { }
//~^ Error method `foo` has incompatible signature for trait
}
trait Bar {
fn bar<U: Debug>(&self, _: &U);
}
impl Bar for () {
fn bar(&self, _: &impl Debug) { }
//~^ Error method `bar` has incompatible signature for trait
}
fn main() {}
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