diff --git a/rust/src/flavour_colours.rs b/rust/src/flavour_colours.rs
index 3a1972c..0231d64 100644
--- a/rust/src/flavour_colours.rs
+++ b/rust/src/flavour_colours.rs
@@ -31,36 +31,39 @@ pub struct FlavourColours {
     pub crust: Colour,
 }
 
-impl FlavourColours {
+impl IntoIterator for FlavourColours {
+    type Item = Colour;
+    type IntoIter = std::array::IntoIter<Self::Item, 26>;
+
     /// Returns an iterator over the colours in the flavour.
-    pub fn into_iter(&self) -> std::array::IntoIter<&Colour, 26> {
+    fn into_iter(self) -> std::array::IntoIter<Colour, 26> {
         [
-            &self.rosewater,
-            &self.flamingo,
-            &self.pink,
-            &self.mauve,
-            &self.red,
-            &self.maroon,
-            &self.peach,
-            &self.yellow,
-            &self.green,
-            &self.teal,
-            &self.sky,
-            &self.sapphire,
-            &self.blue,
-            &self.lavender,
-            &self.text,
-            &self.subtext1,
-            &self.subtext0,
-            &self.overlay2,
-            &self.overlay1,
-            &self.overlay0,
-            &self.surface2,
-            &self.surface1,
-            &self.surface0,
-            &self.base,
-            &self.mantle,
-            &self.crust,
+            self.rosewater,
+            self.flamingo,
+            self.pink,
+            self.mauve,
+            self.red,
+            self.maroon,
+            self.peach,
+            self.yellow,
+            self.green,
+            self.teal,
+            self.sky,
+            self.sapphire,
+            self.blue,
+            self.lavender,
+            self.text,
+            self.subtext1,
+            self.subtext0,
+            self.overlay2,
+            self.overlay1,
+            self.overlay0,
+            self.surface2,
+            self.surface1,
+            self.surface0,
+            self.base,
+            self.mantle,
+            self.crust,
         ]
         .into_iter()
     }