Szeliga · September 7, 2016 07:41
diff --git a/pointer_receiver.go b/pointer_receiver.go
  func (a *Vector) Add(b Vector) Vector {
    a.X += b.X
    a.Y += b.Y
    a.Z += b.Z
    return a
  }
diff --git a/vector_representation.go b/vector_representation.go
 package core

 import "math"

 // Vector - struct holding X Y Z values of a 3D vector
 type Vector struct {
  X, Y, Z float64
 }
	func (a *Vector) Add(b Vector) Vector {
	a.X += b.X
	a.Y += b.Y
	a.Z += b.Z
	return a
	}
	package core

	import "math"

	// Vector - struct holding X Y Z values of a 3D vector
	type Vector struct {
	X, Y, Z float64
	}