async_std/fs/file_type.rs
1cfg_not_docs! {
2 pub use std::fs::FileType;
3}
4
5cfg_docs! {
6 /// The type of a file or directory.
7 ///
8 /// A file type is returned by [`Metadata::file_type`].
9 ///
10 /// Note that file types are mutually exclusive, i.e. at most one of methods [`is_dir`],
11 /// [`is_file`], and [`is_symlink`] can return `true`.
12 ///
13 /// This type is a re-export of [`std::fs::FileType`].
14 ///
15 /// [`Metadata::file_type`]: struct.Metadata.html#method.file_type
16 /// [`is_dir`]: #method.is_dir
17 /// [`is_file`]: #method.is_file
18 /// [`is_symlink`]: #method.is_symlink
19 /// [`std::fs::FileType`]: https://doc.rust-lang.org/std/fs/struct.FileType.html
20 #[derive(Copy, Clone, PartialEq, Eq, Hash, Debug)]
21 pub struct FileType {
22 _private: (),
23 }
24
25 impl FileType {
26 /// Returns `true` if this file type represents a regular directory.
27 ///
28 /// If this file type represents a symbolic link, this method returns `false`.
29 ///
30 /// # Examples
31 ///
32 /// ```no_run
33 /// # fn main() -> std::io::Result<()> { async_std::task::block_on(async {
34 /// #
35 /// use async_std::fs;
36 ///
37 /// let file_type = fs::metadata(".").await?.file_type();
38 /// println!("{:?}", file_type.is_dir());
39 /// #
40 /// # Ok(()) }) }
41 /// ```
42 pub fn is_dir(&self) -> bool {
43 unreachable!("this impl only appears in the rendered docs")
44 }
45
46 /// Returns `true` if this file type represents a regular file.
47 ///
48 /// If this file type represents a symbolic link, this method returns `false`.
49 ///
50 /// # Examples
51 ///
52 /// ```no_run
53 /// # fn main() -> std::io::Result<()> { async_std::task::block_on(async {
54 /// #
55 /// use async_std::fs;
56 ///
57 /// let file_type = fs::metadata("a.txt").await?.file_type();
58 /// println!("{:?}", file_type.is_file());
59 /// #
60 /// # Ok(()) }) }
61 /// ```
62 pub fn is_file(&self) -> bool {
63 unreachable!("this impl only appears in the rendered docs")
64 }
65
66 /// Returns `true` if this file type represents a symbolic link.
67 ///
68 /// # Examples
69 ///
70 /// ```no_run
71 /// # fn main() -> std::io::Result<()> { async_std::task::block_on(async {
72 /// #
73 /// use async_std::fs;
74 ///
75 /// let file_type = fs::metadata("a.txt").await?.file_type();
76 /// println!("{:?}", file_type.is_symlink());
77 /// #
78 /// # Ok(()) }) }
79 /// ```
80 pub fn is_symlink(&self) -> bool {
81 unreachable!("this impl only appears in the rendered docs")
82 }
83 }
84}