style: Make clippy happy

Author: epage

crates/colorchoice/src/lib.rs

@@ -10,9 +10,10 @@ use core::sync::atomic::{AtomicUsize, Ordering};
 
 /// Selection for overriding color output
 #[allow(clippy::exhaustive_enums)]
-#[derive(Copy, Clone, Debug, PartialEq, Eq)]
+#[derive(Copy, Clone, Debug, PartialEq, Eq, Default)]
 pub enum ColorChoice {
     /// Use colors if the output device appears to support them
+    #[default]
     Auto,
     /// Like `Always`, except it never tries to use anything other than emitting ANSI
     /// color codes.
@@ -37,12 +38,6 @@ impl ColorChoice {
     }
 }
 
-impl Default for ColorChoice {
-    fn default() -> Self {
-        Self::Auto
-    }
-}
-
 static USER: AtomicChoice = AtomicChoice::new();
 
 #[derive(Debug)]