Add Vec2::map

fwcd · fwcd · commit 2900d64f8423 · 2025-03-04T05:39:19.000+01:00
diff --git a/lighthouse-protocol/src/utils/vec2.rs b/lighthouse-protocol/src/utils/vec2.rs
@@ -17,6 +17,14 @@ impl<T> Vec2<T> {
     pub const fn new(x: T, y: T) -> Self {
         Self { x, y }
     }
+
+    /// Maps a function over the vector.
+    pub fn map<U>(self, mut f: impl FnMut(T) -> U) -> Vec2<U> {
+        Vec2 {
+            x: f(self.x),
+            y: f(self.y),
+        }
+    }
 }
 
 impl<T> Zero for Vec2<T> where T: Zero {

Original file line number	Diff line number	Diff line change
`@@ -17,6 +17,14 @@ impl<T> Vec2<T> {`
`17`	`17`	`pub const fn new(x: T, y: T) -> Self {`
`18`	`18`	`Self { x, y }`
`19`	`19`	`}`
	`20`	`+`
	`21`	`+ /// Maps a function over the vector.`
	`22`	`+ pub fn map<U>(self, mut f: impl FnMut(T) -> U) -> Vec2<U> {`
	`23`	`+ Vec2 {`
	`24`	`+ x: f(self.x),`
	`25`	`+ y: f(self.y),`
	`26`	`+ }`
	`27`	`+ }`
`20`	`28`	`}`
`21`	`29`
`22`	`30`	`impl<T> Zero for Vec2<T> where T: Zero {`