Fix clippy warnings

src/export/mod.rs

@@ -46,14 +46,16 @@ pub struct ExportManager {
     exporters: Vec<ExporterWithFilename>,
 }
 
-impl ExportManager {
+impl Default for ExportManager {
     /// Create a new ExportManager
-    pub fn new() -> ExportManager {
+    fn default() -> ExportManager {
         ExportManager {
             exporters: Vec::new(),
         }
     }
+}
 
+impl ExportManager {
     /// Add an additional exporter to the ExportManager
     pub fn add_exporter(&mut self, export_type: ExportType, filename: &str) -> Result<()> {
         let _ = File::create(filename)?;

src/main.rs

@@ -249,7 +249,7 @@ fn build_hyperfine_options<'a>(
 /// Build the ExportManager that will export the results specified
 /// in the given ArgMatches
 fn build_export_manager(matches: &ArgMatches<'_>) -> io::Result<ExportManager> {
-    let mut export_manager = ExportManager::new();
+    let mut export_manager = ExportManager::default();
     {
         let mut add_exporter = |flag, exporttype| -> io::Result<()> {
             if let Some(filename) = matches.value_of(flag) {

src/options.rs

@@ -37,7 +37,7 @@ impl fmt::Display for Shell {
 impl Shell {
     /// Parse given string as shell command line
     pub fn parse<'a>(s: &str) -> Result<Self, OptionsError<'a>> {
-        let v = shell_words::split(s.as_ref()).map_err(OptionsError::ShellParseError)?;
+        let v = shell_words::split(s).map_err(OptionsError::ShellParseError)?;
         if v.is_empty() || v[0].is_empty() {
             return Err(OptionsError::EmptyShell);
         }