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// Copyright 2012 The Rust Project Developers. See the COPYRIGHT
// file at the top-level directory of this distribution and at
// Licensed under the Apache License, Version 2.0 <LICENSE-APACHE or
//> or the MIT license
// <LICENSE-MIT or>, at your
// option. This file may not be copied, modified, or distributed
// except according to those terms.
pub trait uint_helpers {
fn to<F>(&self, v: usize, f: F) where F: FnMut(usize);
impl uint_helpers for usize {
fn to<F>(&self, v: usize, mut f: F) where F: FnMut(usize) {
let mut i = *self;
while i < v {
i += 1;
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