continuwuity/src/core/utils/defer.rs
Jason Volk a10d77686a Hot-Reloading Refactor
Signed-off-by: Jason Volk <jason@zemos.net>
2024-05-21 19:18:43 -04:00

22 lines
289 B
Rust

#[macro_export]
macro_rules! defer {
($body:block) => {
struct _Defer_<F>
where
F: FnMut(),
{
closure: F,
}
impl<F> Drop for _Defer_<F>
where
F: FnMut(),
{
fn drop(&mut self) { (self.closure)(); }
}
let _defer_ = _Defer_ {
closure: || $body,
};
};
}