33 lines
791 B
Rust
33 lines
791 B
Rust
// 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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struct Foo<'a>(&'a mut bool);
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impl<'a> Drop for Foo<'a> {
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fn drop(&mut self) {
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*self.0 = true;
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}
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}
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fn f<T: FnOnce()>(t: T) {
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t()
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}
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fn main() {
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let mut ran_drop = false;
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{
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let x = Foo(&mut ran_drop);
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let x = move || { let _ = x; };
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f(x);
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}
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assert!(ran_drop);
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}
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