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//! Windows-specific filesystem extensions.


use crate::io;
use crate::path::Path;
use crate::task::spawn_blocking;

/// Creates a new directory symbolic link on the filesystem.

///

/// The `dst` path will be a directory symbolic link pointing to the `src` path.

///

/// This function is an async version of [`std::os::windows::fs::symlink_dir`].

///

/// [`std::os::windows::fs::symlink_dir`]: https://doc.rust-lang.org/std/os/windows/fs/fn.symlink_dir.html

///

/// # Examples

///

/// ```no_run

/// # fn main() -> std::io::Result<()> { async_std::task::block_on(async {

/// #

/// use async_std::os::windows::fs::symlink_dir;

///

/// symlink_dir("a", "b").await?;

/// #

/// # Ok(()) }) }

/// ```

pub async fn symlink_dir<P: AsRef<Path>, Q: AsRef<Path>>(src: P, dst: Q) -> io::Result<()> {
    let src = src.as_ref().to_owned();
    let dst = dst.as_ref().to_owned();
    spawn_blocking(move || std::os::windows::fs::symlink_dir(&src, &dst)).await
}

/// Creates a new file symbolic link on the filesystem.

///

/// The `dst` path will be a file symbolic link pointing to the `src` path.

///

/// This function is an async version of [`std::os::windows::fs::symlink_file`].

///

/// [`std::os::windows::fs::symlink_file`]: https://doc.rust-lang.org/std/os/windows/fs/fn.symlink_file.html

///

/// # Examples

///

/// ```no_run

/// # fn main() -> std::io::Result<()> { async_std::task::block_on(async {

/// #

/// use async_std::os::windows::fs::symlink_file;

///

/// symlink_file("a.txt", "b.txt").await?;

/// #

/// # Ok(()) }) }

/// ```

pub async fn symlink_file<P: AsRef<Path>, Q: AsRef<Path>>(src: P, dst: Q) -> io::Result<()> {
    let src = src.as_ref().to_owned();
    let dst = dst.as_ref().to_owned();
    spawn_blocking(move || std::os::windows::fs::symlink_file(&src, &dst)).await
}