refactor redundant code

src/lib.rs

@@ -338,13 +338,13 @@ impl PathBufExt for PathBuf {
     fn from_backslash<S: AsRef<str>>(s: S) -> Self {
         PathBuf::from(s.as_ref())
     }
-    
+
     /// Convert the backslash path (path separated with '\') to [`std::path::PathBuf`].
     ///
     /// Any '\' in the slash path is replaced with the file path separator.
     #[cfg(not(target_os = "windows"))]
     fn from_backslash_lossy<S: AsRef<OsStr>>(s: S) -> Self {
-        PathBuf::from(s.as_ref().to_string_lossy().replace(r"\", "/").chars().as_str())
+        s.as_ref().to_string_lossy().replace('\\', "/").into()
     }
 
     #[cfg(target_os = "windows")]
@@ -407,7 +407,7 @@ impl PathBufExt for PathBuf {
     /// ```
     #[cfg(target_os = "windows")]
     fn from_slash_lossy<S: AsRef<OsStr>>(s: S) -> Self {
-        Self::from_slash(s.as_ref().to_string_lossy().chars().as_str())
+        Self::from_slash(&s.as_ref().to_string_lossy())
     }
 
     /// Convert the file path into slash path as UTF-8 string.