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31 lines
585 B
Rust
31 lines
585 B
Rust
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use std::future::Future;
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use std::pin::Pin;
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use std::task::{Context, Poll};
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pub struct Ready<T> {
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val: Option<T>,
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}
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impl<T> Ready<T> {
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#[inline]
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pub fn into_inner(mut self) -> T {
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self.val.take().unwrap()
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}
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}
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impl<T> Unpin for Ready<T> {}
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impl<T> Future for Ready<T> {
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type Output = T;
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#[inline]
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fn poll(mut self: Pin<&mut Self>, _cx: &mut Context<'_>) -> Poll<T> {
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let val = self.val.take().expect("Ready polled after completion");
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Poll::Ready(val)
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}
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}
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pub fn ready<T>(val: T) -> Ready<T> {
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Ready { val: Some(val) }
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}
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