func (s *Set) Remove(value interface{}) {
	s.Lock()
	defer s.Unlock()
	delete(s.m, value)
}
func (s *Set) Remove(value interface{}) {
	s.Lock()
	defer s.Unlock()
	delete(s.m, value)
}
func ( s * Set ) Remove ( value interface { } ) { s . Lock ( ) defer s . Unlock ( ) delete ( s . m , value ) }
// Remove removes value from the set if it exists in the set.
Remove removes value from the set if it exists in the set .