// 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 or the MIT license // , at your // option. This file may not be copied, modified, or distributed // except according to those terms. // -*- rust -*- pub fn main() { let mut sum: int = 0; do first_ten |i| { info2!("main"); info2!("{}", i); sum = sum + i; } info2!("sum"); info2!("{}", sum); assert_eq!(sum, 45); } fn first_ten(it: &fn(int)) { let mut i: int = 0; while i < 10 { info2!("first_ten"); it(i); i = i + 1; } }