tokio_fs/file/
create.rs

1use super::File;
2
3use futures::{Future, Poll};
4
5use std::fs::File as StdFile;
6use std::io;
7use std::path::Path;
8
9/// Future returned by `File::create` and resolves to a `File` instance.
10#[derive(Debug)]
11pub struct CreateFuture<P> {
12    path: P,
13}
14
15impl<P> CreateFuture<P>
16where
17    P: AsRef<Path> + Send + 'static,
18{
19    pub(crate) fn new(path: P) -> Self {
20        CreateFuture { path }
21    }
22}
23
24impl<P> Future for CreateFuture<P>
25where
26    P: AsRef<Path> + Send + 'static,
27{
28    type Item = File;
29    type Error = io::Error;
30
31    fn poll(&mut self) -> Poll<Self::Item, Self::Error> {
32        let std = try_ready!(::blocking_io(|| StdFile::create(&self.path)));
33
34        let file = File::from_std(std);
35        Ok(file.into())
36    }
37}