Rollup merge of rust-lang#93555 - ChrisDenton:fs-try-exists-doc, r=Mark-Simulacrum

Link `try_exists` docs to `Path::exists`

Links to the existing `Path::exists` method from both `std::Path::try_exists` and `std::fs:try_exists`.

Tracking issue for `path_try_exists`: rust-lang#83186

Author: matthiaskrgr

library/std/src/fs.rs

@@ -2288,7 +2288,7 @@ impl AsInnerMut<fs_imp::DirBuilder> for DirBuilder {
 /// This function will traverse symbolic links to query information about the
 /// destination file. In case of broken symbolic links this will return `Ok(false)`.
 ///
-/// As opposed to the `exists()` method, this one doesn't silently ignore errors
+/// As opposed to the [`Path::exists`] method, this one doesn't silently ignore errors
 /// unrelated to the path not existing. (E.g. it will return `Err(_)` in case of permission
 /// denied on some of the parent directories.)
 ///
@@ -2301,6 +2301,8 @@ impl AsInnerMut<fs_imp::DirBuilder> for DirBuilder {
 /// assert!(!fs::try_exists("does_not_exist.txt").expect("Can't check existence of file does_not_exist.txt"));
 /// assert!(fs::try_exists("/root/secret_file.txt").is_err());
 /// ```
+///
+/// [`Path::exists`]: crate::path::Path::exists
 // FIXME: stabilization should modify documentation of `exists()` to recommend this method
 // instead.
 #[unstable(feature = "path_try_exists", issue = "83186")]

library/std/src/path.rs

@@ -2730,7 +2730,7 @@ impl Path {
     /// This function will traverse symbolic links to query information about the
     /// destination file. In case of broken symbolic links this will return `Ok(false)`.
     ///
-    /// As opposed to the `exists()` method, this one doesn't silently ignore errors
+    /// As opposed to the [`exists()`] method, this one doesn't silently ignore errors
     /// unrelated to the path not existing. (E.g. it will return `Err(_)` in case of permission
     /// denied on some of the parent directories.)
     ///
@@ -2743,6 +2743,8 @@ impl Path {
     /// assert!(!Path::new("does_not_exist.txt").try_exists().expect("Can't check existence of file does_not_exist.txt"));
     /// assert!(Path::new("/root/secret_file.txt").try_exists().is_err());
     /// ```
+    ///
+    /// [`exists()`]: Self::exists
     // FIXME: stabilization should modify documentation of `exists()` to recommend this method
     // instead.
     #[unstable(feature = "path_try_exists", issue = "83186")]