28 lines
759 B
Rust
28 lines
759 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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// xfail-fast
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fn region_identity(x: &r/uint) -> &r/uint { x }
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fn apply<T>(t: T, f: fn(T) -> T) -> T { f(t) }
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fn parameterized(x: &uint) -> uint {
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let z = apply(x, ({|y|
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region_identity(y)
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}));
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*z
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}
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pub fn main() {
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let x = 3u;
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assert parameterized(&x) == 3u;
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}
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