36 lines
1.0 KiB
Rust
36 lines
1.0 KiB
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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// Test that attempts to implicitly coerce a value into an
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// object respect the lifetime bound on the object type.
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fn a(v: &[u8]) -> Box<Clone + 'static> {
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let x: Box<Clone + 'static> = box v; //~ ERROR does not outlive
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x
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}
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fn b(v: &[u8]) -> Box<Clone + 'static> {
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box v //~ ERROR does not outlive
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}
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fn c(v: &[u8]) -> Box<Clone> {
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box v // OK thanks to lifetime elision
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}
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fn d<'a,'b>(v: &'a [u8]) -> Box<Clone+'b> {
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box v //~ ERROR does not outlive
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}
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fn e<'a:'b,'b>(v: &'a [u8]) -> Box<Clone+'b> {
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box v // OK, thanks to 'a:'b
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}
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fn main() { }
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