31 lines
873 B
Rust
31 lines
873 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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trait A<T> {}
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struct B<'a, T>(&'a A<T>);
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trait X {}
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impl<'a, T> X for B<'a, T> {}
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fn f<'a, T, U>(v: ~A<T>) -> ~X: {
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~B(v) as ~X: //~ ERROR value may contain references; add `'static` bound to `T`
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}
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fn g<'a, T, U>(v: ~A<U>) -> ~X: {
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~B(v) as ~X: //~ ERROR value may contain references; add `'static` bound to `U`
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}
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fn h<'a, T: 'static>(v: ~A<T>) -> ~X: {
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~B(v) as ~X: // ok
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}
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fn main() {}
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