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/// Drop guard that executes the provided callback function when dropped.
pub struct OnDrop<F = Box<dyn FnOnce() + Send>>
where
F: FnOnce() + Send,
{
callback: Option<F>,
}
impl<F: FnOnce() + Send> Drop for OnDrop<F> {
fn drop(&mut self) {
if let Some(callback) = self.callback.take() {
callback();
}
}
}
impl<F: FnOnce() + Send> OnDrop<F> {
pub fn new(callback: F) -> Self {
Self {
callback: Some(callback),
}
}
}
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