25 lines
748 B
Rust
25 lines
748 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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fn double<T: Copy>(a: T) -> ~[T] { return ~[a] + ~[a]; }
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fn double_int(a: int) -> ~[int] { return ~[a] + ~[a]; }
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pub fn main() {
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let mut d = double(1);
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assert (d[0] == 1);
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assert (d[1] == 1);
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d = double_int(1);
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assert (d[0] == 1);
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assert (d[1] == 1);
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}
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