| // 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. |
| |
| fn foo(x: Option<fn(i32)>) -> Option<unsafe fn(i32)> { |
| x //~ ERROR mismatched types |
| } |
| |
| fn bar(x: fn(i32)) -> unsafe fn(i32) { |
| x // OK, coercion! |
| } |
| |
| fn main() { } |
