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//@ run-pass
// FIXME(static_mut_refs): this could use an atomic
#![allow(static_mut_refs)]
static mut DROP_RAN: bool = false;
trait Bar {
fn do_something(&mut self); //~ WARN method `do_something` is never used
}
struct BarImpl;
impl Bar for BarImpl {
fn do_something(&mut self) {}
}
struct Foo<B: Bar>(#[allow(dead_code)] B);
impl<B: Bar> Drop for Foo<B> {
fn drop(&mut self) {
unsafe {
DROP_RAN = true;
}
}
}
fn main() {
{
let _x: Foo<BarImpl> = Foo(BarImpl);
}
unsafe {
assert_eq!(DROP_RAN, true);
}
}
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