rust/tests/ui/nll/maybe-initialized-drop-uninitialized.rs
2024-02-16 20:02:50 +00:00

19 lines
284 B
Rust

//@ check-pass
#![allow(warnings)]
struct Wrap<'p> { p: &'p mut i32 }
impl<'p> Drop for Wrap<'p> {
fn drop(&mut self) {
*self.p += 1;
}
}
fn main() {
let mut x = 0;
let wrap = Wrap { p: &mut x };
std::mem::drop(wrap);
x = 1; // OK, drop is inert
}