27 lines
880 B
Rust
27 lines
880 B
Rust
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// Copyright 2014 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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use std::collections::HashMap;
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fn copy<T: Copy>(&x: &T) -> T {
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x
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}
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fn main() {
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let arr = [(1i, 1u), (2, 2), (3, 3)];
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let v1: Vec<&_> = arr.iter().collect();
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let v2: Vec<_> = arr.iter().map(copy).collect();
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let m1: HashMap<_, _> = arr.iter().map(copy).collect();
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let m2: HashMap<int, _> = arr.iter().map(copy).collect();
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let m3: HashMap<_, uint> = arr.iter().map(copy).collect();
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}
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