| // Copyright 2013-2014 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. |
| |
| // Check that safe fns are not a subtype of unsafe fns. |
| |
| trait Foo { |
| unsafe fn len(&self) -> u32; |
| } |
| |
| impl Foo for u32 { |
| fn len(&self) -> u32 { *self } |
| //~^ ERROR method `len` has an incompatible type for trait |
| //~| expected type `unsafe fn(&u32) -> u32` |
| //~| found type `fn(&u32) -> u32` |
| } |
| |
| fn main() { } |
