Fix clippy errors

libk/src/std/maths/geometry.rs

@@ -20,7 +20,7 @@ impl Coordinate for i128 {}
 impl Coordinate for f32 {}
 impl Coordinate for f64 {}
 
-#[derive(Copy, Clone, PartialEq, PartialOrd, Debug)]
+#[derive(Copy, Clone, PartialEq, Eq, PartialOrd, Debug)]
 pub struct Vec2<T: Coordinate> {
     x: T,
     y: T,
@@ -32,14 +32,14 @@ impl<T: Coordinate> Vec2<T> {
     }
 
     pub fn into<S: Coordinate + From<T>>(&self) -> Vec2<S> {
-        Vec2::new(self.x.clone().into(), self.y.clone().into())
+        Vec2::new(self.x.into(), self.y.into())
     }
 
-    pub fn x(&self) -> T {
+    pub const fn x(&self) -> T {
         self.x
     }
 
-    pub fn y(&self) -> T {
+    pub const fn y(&self) -> T {
         self.y
     }
 }