24 lines
725 B
Rust
24 lines
725 B
Rust
// 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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trait Foo<'a> {
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fn bar<'b>(&self, x: &'b u8) -> u8 where 'a: 'b { *x+7 }
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}
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pub struct FooBar;
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impl Foo<'static> for FooBar {}
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fn test(foobar: FooBar) -> Box<Foo<'static>> {
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Box::new(foobar)
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}
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fn main() {
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assert_eq!(test(FooBar).bar(&4), 11);
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}
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