47 lines
1.1 KiB
Rust
47 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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use std::gc::GC;
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trait get {
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fn get(self) -> int;
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}
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// Note: impl on a slice; we're checking that the pointers below
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// correctly get borrowed to `&`. (similar to impling for `int`, with
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// `&self` instead of `self`.)
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impl<'a> get for &'a int {
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fn get(self) -> int {
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return *self;
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}
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}
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pub fn main() {
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let x = box(GC) 6;
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let y = x.get();
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assert_eq!(y, 6);
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let x = box(GC) 6;
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let y = x.get();
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println!("y={}", y);
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assert_eq!(y, 6);
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let x = box 6;
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let y = x.get();
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println!("y={}", y);
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assert_eq!(y, 6);
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let x = &6;
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let y = x.get();
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println!("y={}", y);
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assert_eq!(y, 6);
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}
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