renamed the creator function

ringBuff.go

@@ -33,7 +33,7 @@ type Buff struct {
 }
 
 // Initialize a new ring buffer with length n
-func NewRingBuff(n int, id idFunc) *Buff {
+func NewBuff(n int, id idFunc) *Buff {
 	rb := &Buff{
 		buff:  make([]interface{}, n),
 		count: n,

ringBuff_test.go

@@ -17,7 +17,7 @@ func id(val interface{}) int {
 
 // Setup func for tests
 func setup() *Buff {
-	rb := NewRingBuff(5, id)
+	rb := NewBuff(5, id)
 	for i := 1; i <= 5; i++ {
 		rb.Push(&Tester{
 			Id: i,