clippy: Use derivable impls for enums

Part-of: <https://gitlab.gnome.org/GNOME/librsvg/-/merge_requests/817>

2 files changed, 5 insertions, 15 deletions

diff --git a/src/length.rs b/src/length.rs
index f5656cbe..5d91b166 100644
--- a/src/length.rs
+++ b/src/length.rs
@@ -505,16 +505,11 @@ pub type Length<N> = CssLength<N, Signed>;
 /// Alias for `CssLength` types that are non negative
 pub type ULength<N> = CssLength<N, Unsigned>;
 
-#[derive(Debug, PartialEq, Copy, Clone)]
+#[derive(Debug, Default, PartialEq, Copy, Clone)]
 pub enum LengthOrAuto<N: Normalize> {
-    Length(CssLength<N, Unsigned>),
+    #[default]
     Auto,
-}
-
-impl<N: Normalize> Default for LengthOrAuto<N> {
-    fn default() -> Self {
-        LengthOrAuto::Auto
-    }
+    Length(CssLength<N, Unsigned>),
 }
 
 impl<N: Normalize> Parse for LengthOrAuto<N> {
diff --git a/src/transform.rs b/src/transform.rs
index a042b778..9f6c6789 100644
--- a/src/transform.rs
+++ b/src/transform.rs
@@ -68,8 +68,9 @@ pub struct Transform {
 /// The `transform` property from the CSS Transforms Module Level 1.
 ///
 /// CSS Transforms 1: <https://www.w3.org/TR/css-transforms-1/#transform-property>
-#[derive(Debug, Clone, PartialEq)]
+#[derive(Debug, Default, Clone, PartialEq)]
 pub enum TransformProperty {
+    #[default]
     None,
     List(Vec<TransformFunction>),
 }
@@ -80,12 +81,6 @@ pub enum TransformProperty {
 #[derive(Copy, Clone, Default, Debug, PartialEq)]
 pub struct TransformAttribute(Transform);
 
-impl Default for TransformProperty {
-    fn default() -> Self {
-        TransformProperty::None
-    }
-}
-
 impl Property for TransformProperty {
     fn inherits_automatically() -> bool {
         false