Optimization for String.Store("")

string.go

@@ -45,5 +45,9 @@ func (s *String) Load() string {
 // Note: Converting the string to an interface{} to store in the Value
 // requires an allocation.
 func (s *String) Store(str string) {
+	if str == "" {
+		s.v = Value{}
+		return
+	}
 	s.v.Store(str)
 }

string_test.go

@@ -40,4 +40,7 @@ func TestString(t *testing.T) {
 
 	atom = NewString("bcd")
 	require.Equal(t, "bcd", atom.Load(), "Expected Load to return initialized value")
+
+	atom.Store("")
+	require.Equal(t, "", atom.Load(), "Expected Load to return empty value")
 }