Merge pull request #591 from cakebaker/clippy_fix_derivable_impls

clippy: fix warning from `derivable_impls` lint

Author: sylvestre

src/find/matchers/regex.rs

@@ -30,8 +30,9 @@ impl fmt::Display for ParseRegexTypeError {
     }
 }
 
-#[derive(Debug, Clone, Copy, PartialEq, Eq)]
+#[derive(Debug, Default, Clone, Copy, PartialEq, Eq)]
 pub enum RegexType {
+    #[default]
     Emacs,
     Grep,
     PosixBasic,
@@ -74,12 +75,6 @@ impl FromStr for RegexType {
     }
 }
 
-impl Default for RegexType {
-    fn default() -> Self {
-        Self::Emacs
-    }
-}
-
 pub struct RegexMatcher {
     regex: Regex,
 }