43 lines
1.1 KiB
Rust
43 lines
1.1 KiB
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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// -*- rust -*-
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use std::io;
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use std::vec;
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fn main(){
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let mut t1 = ~[];
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t1.push('a');
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let mut t2 = ~[];
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t2.push('b');
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for vec::each2_mut(t1, t2) | i1, i2 | {
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assert_eq!(*i1, 'a');
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assert_eq!(*i2, 'b');
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}
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for vec::each2(t1, t2) | i1, i2 | {
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io::println(fmt!("after t1: %?, t2: %?", i1, i2));
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}
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for vec::each2_mut(t1, t2) | i1, i2 | {
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*i1 = 'b';
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*i2 = 'a';
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assert_eq!(*i1, 'b');
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assert_eq!(*i2, 'a');
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}
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for vec::each2(t1, t2) | i1, i2 | {
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io::println(fmt!("before t1: %?, t2: %?", i1, i2));
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}
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}
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