35 lines
984 B
Rust
35 lines
984 B
Rust
// Copyright 2017 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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// Regression test for #47470: cached results of projections were
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// causing region relations not to be enforced at all the places where
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// they have to be enforced.
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#![feature(nll)]
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struct Foo<'a>(&'a ());
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trait Bar {
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type Assoc;
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fn get(self) -> Self::Assoc;
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}
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impl<'a> Bar for Foo<'a> {
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type Assoc = &'a u32;
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fn get(self) -> Self::Assoc {
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let local = 42;
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&local //~ ERROR `local` does not live long enough
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}
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}
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fn main() {
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let f = Foo(&()).get();
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println!("{}", f);
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}
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