src/test/run-pass/issue-25757.rs

   1 // Copyright 2015 The Rust Project Developers. See the COPYRIGHT
   2 // file at the top-level directory of this distribution and at
   3 // http://rust-lang.org/COPYRIGHT.
   4 //
   5 // Licensed under the Apache License, Version 2.0 <LICENSE-APACHE or
   6 // http://www.apache.org/licenses/LICENSE-2.0> or the MIT license
   7 // <LICENSE-MIT or http://opensource.org/licenses/MIT>, at your
   8 // option. This file may not be copied, modified, or distributed
   9 // except according to those terms.
  10
  11 struct Foo {
  12     a: u32
  13 }
  14
  15 impl Foo {
  16     fn x(&mut self) {
  17         self.a = 5;
  18     }
  19 }
  20
  21 const FUNC: &'static Fn(&mut Foo) -> () = &Foo::x;
  22
  23 fn main() {
  24     let mut foo = Foo { a: 137 };
  25     FUNC(&mut foo);
  26     assert_eq!(foo.a, 5);
  27 }