feat: improve Add performance

deckarep · Mar 29, 2022 · 29bd72c · 29bd72c
1 parent abcdb7d
commit 29bd72c
Showing 1 changed file with 2 additions and 6 deletions.
diff --git a/threadunsafe.go b/threadunsafe.go
@@ -42,13 +42,9 @@ func newThreadUnsafeSet[T comparable]() threadUnsafeSet[T] {
 }
 
 func (s *threadUnsafeSet[T]) Add(v T) bool {
-	_, found := (*s)[v]
-	if found {
-		return false //False if it existed already
-	}
-
+	prevLen := len(*s)
 	(*s)[v] = struct{}{}
-	return true
+	return prevLen != len(*s)
 }
 
 func (s *threadUnsafeSet[T]) Cardinality() int {