src/test/run-pass/const-fn-val.rs

   1 // Copyright 2012 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
  12 fn foo() -> isize {
  13     return 0xca7f000d;
  14 }
  15
  16 struct Bar<F> where F: FnMut() -> isize { f: F }
  17
  18 static mut b : Bar<fn() -> isize> = Bar { f: foo as fn() -> isize};
  19
  20 pub fn main() {
  21     unsafe { assert_eq!((b.f)(), 0xca7f000d); }
  22 }