constrained vec to only accept numbers

src/lib/Vec.hx

@@ -1,6 +1,6 @@
 package lib;
 
-@:structInit class Vec2<T> {
+@:structInit class Vec2<T:Float> {
 	public var x:T;
 	public var y:T;
 
@@ -10,7 +10,7 @@ package lib;
 	}
 }
 
-@:structInit class Vec3<T> {
+@:structInit class Vec3<T:Float> {
 	public var x:T;
 	public var y:T;
 	public var z:T;