1 // Copyright 2014 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.
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.
11 // pretty-expanded FIXME #23616
13 pub trait OpInt { fn call(&mut self, isize, isize) -> isize; }
15 impl<F
> OpInt
for F
where F
: FnMut(isize, isize) -> isize {
16 fn call(&mut self, a
:isize, b
:isize) -> isize {
21 fn squarei
<'a
>(x
: isize, op
: &'a
mut OpInt
) -> isize { op.call(x, x) }
23 fn muli(x
:isize, y
:isize) -> isize { x * y }
26 let mut f
= |x
, y
| muli(x
, y
);
29 let h
= g
as &mut OpInt
;