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Seal Windows FileTypeExt extension trait to allow adding future methods

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This commit is contained in:
Josh Triplett 2022-06-27 09:57:56 -07:00
parent e374c911af
commit a4cb0b90c0
1 changed files with 5 additions and 1 deletions
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6
library/std/src/os/windows/fs.rs
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@ -7,6 +7,7 @@
use crate::fs::{self, Metadata, OpenOptions};
use crate::io;
use crate::path::Path;
use crate::sealed::Sealed;
use crate::sys;
use crate::sys_common::{AsInner, AsInnerMut};
@ -503,7 +504,7 @@ fn file_index(&self) -> Option<u64> {
///
/// On Windows, a symbolic link knows whether it is a file or directory.
#[stable(feature = "windows_file_type_ext", since = "1.64.0")]
pub trait FileTypeExt {
pub trait FileTypeExt: Sealed {
/// Returns `true` if this file type is a symbolic link that is also a directory.
#[stable(feature = "windows_file_type_ext", since = "1.64.0")]
fn is_symlink_dir(&self) -> bool;
@ -512,6 +513,9 @@ pub trait FileTypeExt {
fn is_symlink_file(&self) -> bool;
}
#[stable(feature = "windows_file_type_ext", since = "1.64.0")]
impl Sealed for fs::FileType {}
#[stable(feature = "windows_file_type_ext", since = "1.64.0")]
impl FileTypeExt for fs::FileType {
fn is_symlink_dir(&self) -> bool {