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1a4d82fc | 1 | // Copyright 2012-2014 The Rust Project Developers. See the COPYRIGHT |
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2 | // file at the top-level directory of this distribution and at |
3 | // http://rust-lang.org/COPYRIGHT. | |
4 | // | |
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. | |
10 | ||
85aaf69f | 11 | fn iter_vec<T, F>(v: Vec<T> , mut f: F) where F: FnMut(&T) { for x in &v { f(x); } } |
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12 | |
13 | pub fn main() { | |
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14 | let v = vec![1, 2, 3, 4, 5, 6, 7]; |
15 | let mut odds = 0; | |
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16 | iter_vec(v, |i| { |
17 | if *i % 2 == 1 { | |
18 | odds += 1; | |
19 | } | |
20 | }); | |
1a4d82fc | 21 | println!("{}", odds); |
970d7e83 | 22 | assert_eq!(odds, 4); |
223e47cc | 23 | } |