fn pairs<F>(mut it: F) where F: FnMut((isize, isize)) {
    let mut i: isize = 0;
    let mut j: isize = 0;
    while i < 10 { it((i, j)); i += 1; j += i; }
}
// 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.


Licensed under the Apache License, Version 2.0  or the MIT license
, at your
option. This file may not be copied, modified, or distributed
except according to those terms.
Licensed under the Apache License Version 2 . 0 or the MIT license at your option . This file may not be copied modified or distributed except according to those terms .
fn pairs<F>(mut it: F) where F: FnMut((isize, isize)) {
    let mut i: isize = 0;
    let mut j: isize = 0;
    while i < 10 { it((i, j)); i += 1; j += i; }
}
fn pairs < F > ( mut it : F ) where F : FnMut ( ( isize , isize ) ) { let mut i : isize = 0 ; let mut j : isize = 0 ; while i < 10 { it ( ( i , j ) ) ; i += 1 ; j += i ; } }
Copyright 2012 The Rust Project Developers.
Copyright 2012 The Rust Project Developers .
it
F
it
F