26 lines
805 B
Rust
26 lines
805 B
Rust
// Copyright 2012 The Rust Project Developers. See the COPYRIGHT
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// file at the top-level directory of this distribution and at
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// http://rust-lang.org/COPYRIGHT.
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//
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// Licensed under the Apache License, Version 2.0 <LICENSE-APACHE or
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// http://www.apache.org/licenses/LICENSE-2.0> or the MIT license
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// <LICENSE-MIT or http://opensource.org/licenses/MIT>, at your
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// option. This file may not be copied, modified, or distributed
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// except according to those terms.
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pub fn main() {
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let mut sum: isize = 0;
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first_ten(|i| { println!("main"); println!("{}", i); sum = sum + i; });
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println!("sum");
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println!("{}", sum);
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assert_eq!(sum, 45);
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}
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fn first_ten<F>(mut it: F) where F: FnMut(isize) {
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let mut i: isize = 0;
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while i < 10 { println!("first_ten"); it(i); i = i + 1; }
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}
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