| // Copyright 2012 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. |
| |
| fn takes_imm(x: &isize) { } |
| |
| fn takes_mut(x: &mut isize) { } |
| |
| fn apply<T, F>(t: T, f: F) where F: FnOnce(T) { |
| f(t) |
| } |
| |
| fn main() { |
| apply(&3, takes_imm); |
| apply(&3, takes_mut); |
| //~^ ERROR (values differ in mutability) |
| |
| apply(&mut 3, takes_mut); |
| apply(&mut 3, takes_imm); |
| //~^ ERROR (values differ in mutability) |
| } |
