| use std::fs; |
| use std::io; |
| use std::path::Path; |
| |
| use futures::{Future, Poll}; |
| |
| /// Removes a file from the filesystem. |
| /// |
| /// Note that there is no |
| /// guarantee that the file is immediately deleted (e.g. depending on |
| /// platform, other open file descriptors may prevent immediate removal). |
| /// |
| /// This is an async version of [`std::fs::remove_file`][std] |
| /// |
| /// [std]: https://doc.rust-lang.org/std/fs/fn.remove_file.html |
| pub fn remove_file<P: AsRef<Path>>(path: P) -> RemoveFileFuture<P> { |
| RemoveFileFuture::new(path) |
| } |
| |
| /// Future returned by `remove_file`. |
| #[derive(Debug)] |
| pub struct RemoveFileFuture<P> |
| where |
| P: AsRef<Path>, |
| { |
| path: P, |
| } |
| |
| impl<P> RemoveFileFuture<P> |
| where |
| P: AsRef<Path>, |
| { |
| fn new(path: P) -> RemoveFileFuture<P> { |
| RemoveFileFuture { path: path } |
| } |
| } |
| |
| impl<P> Future for RemoveFileFuture<P> |
| where |
| P: AsRef<Path>, |
| { |
| type Item = (); |
| type Error = io::Error; |
| |
| fn poll(&mut self) -> Poll<Self::Item, Self::Error> { |
| ::blocking_io(|| fs::remove_file(&self.path)) |
| } |
| } |