| // 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. |
| |
| trait Foo { |
| fn foo(_: fn(u8) -> ()); |
| fn bar(_: Option<u8>); |
| fn baz(_: (u8, u16)); |
| fn qux() -> u8; |
| } |
| |
| struct Bar; |
| |
| impl Foo for Bar { |
| fn foo(_: fn(u16) -> ()) {} |
| //~^ ERROR method `foo` has an incompatible type for trait |
| fn bar(_: Option<u16>) {} |
| //~^ ERROR method `bar` has an incompatible type for trait |
| fn baz(_: (u16, u16)) {} |
| //~^ ERROR method `baz` has an incompatible type for trait |
| fn qux() -> u16 { 5u16 } |
| //~^ ERROR method `qux` has an incompatible type for trait |
| } |
| |
| fn main() {} |
