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// Copyright 2014 The Rust Project Developers. See the COPYRIGHT
// file at the top-level directory of this distribution and at
// http://rust-lang.org/COPYRIGHT.
//
// Licensed under the Apache License, Version 2.0 <LICENSE-APACHE or
// http://www.apache.org/licenses/LICENSE-2.0> or the MIT license
// <LICENSE-MIT or http://opensource.org/licenses/MIT>, at your
// option. This file may not be copied, modified, or distributed
// except according to those terms.
// ignore-wasm32-bare compiled with panic=abort by default
use std::panic;
impl<'a> panic::UnwindSafe for Foo<'a> {}
impl<'a> panic::RefUnwindSafe for Foo<'a> {}
struct Foo<'a>(&'a mut bool);
impl<'a> Drop for Foo<'a> {
fn drop(&mut self) {
*self.0 = true;
}
}
fn f<T: FnOnce()>(t: T) {
t()
}
fn main() {
let mut ran_drop = false;
{
let x = Foo(&mut ran_drop);
let x = move || { let _ = x; };
f(x);
}
assert!(ran_drop);
let mut ran_drop = false;
{
let x = Foo(&mut ran_drop);
let result = panic::catch_unwind(move || {
let x = move || { let _ = x; panic!() };
f(x);
});
assert!(result.is_err());
}
assert!(ran_drop);
}
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