mirror of https://github.com/rust-lang/rust
31 lines
568 B
Rust
31 lines
568 B
Rust
//@ run-pass
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#![allow(stable_features)]
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//@ needs-threads
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#![feature(thread_local_try_with)]
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use std::thread;
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static mut DROP_RUN: bool = false;
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struct Foo;
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thread_local!(static FOO: Foo = Foo {});
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impl Drop for Foo {
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fn drop(&mut self) {
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assert!(FOO.try_with(|_| panic!("`try_with` closure run")).is_err());
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unsafe { DROP_RUN = true; }
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}
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}
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fn main() {
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thread::spawn(|| {
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assert_eq!(FOO.try_with(|_| {
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132
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}).expect("`try_with` failed"), 132);
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}).join().unwrap();
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assert!(unsafe { DROP_RUN });
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}
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