29 lines
828 B
Rust
29 lines
828 B
Rust
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// Copyright 2015 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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#![allow(unused_variables)]
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trait Bar {
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fn noop(&self);
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}
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impl Bar for u8 {
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fn noop(&self) {}
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}
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fn main() {
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let (a, b) = (&5u8 as &Bar, &9u8 as &Bar);
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let (c, d): (&Bar, &Bar) = (a, b);
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let (a, b) = (Box::new(5u8) as Box<Bar>, Box::new(9u8) as Box<Bar>);
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let (c, d): (&Bar, &Bar) = (&*a, &*b);
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let (c, d): (&Bar, &Bar) = (&5, &9);
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}
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