40 lines
801 B
Rust
40 lines
801 B
Rust
|
use super::*;
|
||
|
|
|
||
|
|
pub struct SingleShotEventual<T>
|
||
|
|
where
|
||
|
|
T: Unpin + Clone,
|
||
|
|
{
|
||
|
|
eventual: EventualValueClone<T>,
|
||
|
|
drop_value: T,
|
||
|
|
}
|
||
|
|
|
||
|
|
impl<T> Drop for SingleShotEventual<T>
|
||
|
|
where
|
||
|
|
T: Unpin + Clone,
|
||
|
|
{
|
||
|
|
fn drop(&mut self) {
|
||
|
|
self.eventual.resolve(self.drop_value.clone());
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
impl<T> SingleShotEventual<T>
|
||
|
|
where
|
||
|
|
T: Unpin + Clone,
|
||
|
|
{
|
||
|
|
pub fn new(drop_value: T) -> Self {
|
||
|
|
Self {
|
||
|
|
eventual: EventualValueClone::new(),
|
||
|
|
drop_value: drop_value,
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
// Can only call this once, it consumes the eventual
|
||
|
|
pub fn resolve(self, value: T) -> EventualResolvedFuture<EventualValueClone<T>> {
|
||
|
|
self.eventual.resolve(value)
|
||
|
|
}
|
||
|
|
|
||
|
|
pub fn instance(&self) -> EventualValueCloneFuture<T> {
|
||
|
|
self.eventual.instance()
|
||
|
|
}
|
||
|
|
}
|