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// 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.
#![feature(conservative_impl_trait)]
trait Foo {
fn foo(_: fn(u8) -> ()); //~ NOTE type in trait
fn bar(_: Option<u8>); //~ NOTE type in trait
fn baz(_: (u8, u16)); //~ NOTE type in trait
fn qux() -> u8; //~ NOTE type in trait
}
struct Bar;
impl Foo for Bar {
fn foo(_: fn(u16) -> ()) {}
//~^ ERROR method `foo` has an incompatible type for trait
//~| NOTE expected u8
//~| NOTE expected type `fn(fn(u8))`
fn bar(_: Option<u16>) {}
//~^ ERROR method `bar` has an incompatible type for trait
//~| NOTE expected u8
//~| NOTE expected type `fn(std::option::Option<u8>)`
fn baz(_: (u16, u16)) {}
//~^ ERROR method `baz` has an incompatible type for trait
//~| NOTE expected u8
//~| NOTE expected type `fn((u8, u16))`
fn qux() -> u16 { 5u16 }
//~^ ERROR method `qux` has an incompatible type for trait
//~| NOTE expected u8
//~| NOTE expected type `fn() -> u8`
}
fn main() {}
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