add math ops to corners/sides

hui-shared/Cargo.toml

@@ -17,3 +17,4 @@ include = [
 
 [dependencies]
 glam = "0.30"
+derive_more = { version = "2", features = [ "add", "add_assign", "mul", "mul_assign", "sum" ] }

hui-shared/src/rect/corners.rs

@@ -1,5 +1,7 @@
+use derive_more::{Add, AddAssign, Div, DivAssign, Mul, MulAssign, Neg, Product, Sub, SubAssign, Sum};
+
 /// Represents 4 corners of a rectangular shape.
-#[derive(Clone, Copy, Debug, PartialEq, Eq, Hash, Default)]
+#[derive(Default, Clone, Copy, PartialEq, Eq, Hash, Debug, Add, AddAssign, Sub, SubAssign, Neg, Mul, MulAssign, Div, DivAssign, Sum, Product)]
 pub struct Corners<T> {
   pub top_left: T,
   pub top_right: T,

hui-shared/src/rect/sides.rs

@@ -1,6 +1,7 @@
+use derive_more::{Add, AddAssign, Div, DivAssign, Mul, MulAssign, Neg, Product, Sub, SubAssign, Sum};
 
 /// Represents 4 sides of a rectangular shape.
-#[derive(Default, Clone, Copy, PartialEq, Eq, Debug)]
+#[derive(Default, Clone, Copy, PartialEq, Eq, Hash, Debug, Add, AddAssign, Sub, SubAssign, Neg, Mul, MulAssign, Div, DivAssign, Sum, Product)]
 pub struct Sides<T> {
   pub top: T,
   pub bottom: T,