Fix some clippy warnings

src/exec/input.rs

@@ -5,13 +5,13 @@ use crate::filesystem::strip_current_dir;
 
 /// Removes the parent component of the path
 pub fn basename(path: &Path) -> &OsStr {
-    path.file_name().unwrap_or_else(|| path.as_os_str())
+    path.file_name().unwrap_or(path.as_os_str())
 }
 
 /// Removes the extension from the path
 pub fn remove_extension(path: &Path) -> OsString {
     let dirname = dirname(path);
-    let stem = path.file_stem().unwrap_or_else(|| path.as_os_str());
+    let stem = path.file_stem().unwrap_or(path.as_os_str());
 
     let path = PathBuf::from(dirname).join(stem);
 

src/main.rs

@@ -112,7 +112,7 @@ fn ensure_current_directory_exists(current_directory: &Path) -> Result<()> {
     }
 }
 
-fn extract_search_pattern<'a>(matches: &'a clap::ArgMatches) -> Result<&'a str> {
+fn extract_search_pattern(matches: &clap::ArgMatches) -> Result<&'_ str> {
     let pattern = matches
         .value_of_os("pattern")
         .map(|p| {

src/walk.rs

@@ -104,10 +104,7 @@ pub fn scan(path_vec: &[PathBuf], pattern: Arc<Regex>, config: Arc<Config>) -> R
             match result {
                 Some(ignore::Error::Partial(_)) => (),
                 Some(err) => {
-                    print_error(format!(
-                        "Malformed pattern in global ignore file. {}.",
-                        err.to_string()
-                    ));
+                    print_error(format!("Malformed pattern in global ignore file. {}.", err));
                 }
                 None => (),
             }
@@ -119,10 +116,7 @@ pub fn scan(path_vec: &[PathBuf], pattern: Arc<Regex>, config: Arc<Config>) -> R
         match result {
             Some(ignore::Error::Partial(_)) => (),
             Some(err) => {
-                print_error(format!(
-                    "Malformed pattern in custom ignore file. {}.",
-                    err.to_string()
-                ));
+                print_error(format!("Malformed pattern in custom ignore file. {}.", err));
             }
             None => (),
         }