27 lines
988 B
Rust
27 lines
988 B
Rust
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// Copyright 2016 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 RepeatMut<'a, T>(T, &'a ());
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impl<'a, T: 'a> Iterator for RepeatMut<'a, T> {
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type Item = &'a mut T;
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fn next(&'a mut self) -> Option<Self::Item>
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//~^ ERROR method not compatible with trait
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//~| lifetime mismatch
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//~| NOTE expected type `fn(&mut RepeatMut<'a, T>) -> std::option::Option<&mut T>`
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{
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//~^ NOTE the anonymous lifetime #1 defined on the body
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//~| NOTE ...does not necessarily outlive the lifetime 'a as defined on the body
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Some(&mut self.0)
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}
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}
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fn main() {}
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