2014-02-26 11:09:15 -06:00
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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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2015-01-07 20:53:58 -06:00
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#![feature(box_syntax)]
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2014-05-05 20:56:44 -05:00
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2015-02-12 09:29:52 -06:00
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use std::marker::PhantomFn;
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trait A<T> : PhantomFn<(Self,T)> { }
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2014-11-20 14:08:02 -06:00
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struct B<'a, T>(&'a (A<T>+'a));
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2014-02-26 11:09:15 -06:00
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2015-02-12 09:29:52 -06:00
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trait X : PhantomFn<Self> {}
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2014-02-26 11:09:15 -06:00
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impl<'a, T> X for B<'a, T> {}
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2015-02-12 08:37:52 -06:00
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fn g<'a, T: 'static>(v: Box<A<T>+'a>) -> Box<X+'static> {
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2014-08-28 22:21:28 -05:00
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box B(&*v) as Box<X> //~ ERROR cannot infer
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2014-02-26 11:09:15 -06:00
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}
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2015-02-12 08:37:52 -06:00
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fn main() { }
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