33 lines
842 B
Rust
33 lines
842 B
Rust
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// Copyright 2014 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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#![feature(box_syntax)]
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#![allow(warnings)]
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use std::marker::MarkerTrait;
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trait A<T>
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{
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fn get(&self) -> T { panic!() }
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}
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struct B<'a, T>(&'a (A<T>+'a));
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trait X : MarkerTrait {}
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impl<'a, T> X for B<'a, T> {}
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fn f<'a, T, U>(v: Box<A<T>+'static>) -> Box<X+'static> {
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box B(&*v) as Box<X> //~ ERROR the parameter type `T` may not live long enough
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}
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fn main() {}
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