26 lines
775 B
Rust
26 lines
775 B
Rust
// Copyright 2012 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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struct Invariant<'a> {
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f: Box<for<'b> FnOnce() -> &'b mut &'a isize + 'static>,
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}
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fn to_same_lifetime<'r>(b_isize: Invariant<'r>) {
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let bj: Invariant<'r> = b_isize;
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}
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fn to_longer_lifetime<'r>(b_isize: Invariant<'r>) -> Invariant<'static> {
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b_isize //~ ERROR mismatched types
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}
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fn main() {
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}
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