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use super::File;
use std::fs::File as StdFile;
use std::future::Future;
use std::io;
use std::path::Path;
use std::pin::Pin;
use std::task::Context;
use std::task::Poll;
/// Future returned by `File::create` and resolves to a `File` instance.
#[derive(Debug)]
pub struct CreateFuture<P> {
path: P,
}
impl<P> CreateFuture<P>
where
P: AsRef<Path> + Send + Unpin + 'static,
{
pub(crate) fn new(path: P) -> Self {
CreateFuture { path }
}
}
impl<P> Future for CreateFuture<P>
where
P: AsRef<Path> + Send + Unpin + 'static,
{
type Output = io::Result<File>;
fn poll(self: Pin<&mut Self>, _cx: &mut Context<'_>) -> Poll<Self::Output> {
let std = ready!(crate::blocking_io(|| StdFile::create(&self.path)))?;
let file = File::from_std(std);
Poll::Ready(Ok(file.into()))
}
}
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