Function checkKey

structure/zset.go:1099–1104

checkKey function that accepts a string parameter key and returns error if key is empty. # It returns nil otherwise Parameters: key : A string that is checked if empty Returns: error : _const.ErrKeyIsEmpty if key is empty, nil otherwise

(key string)

//
//	error : _const.ErrKeyIsEmpty if key is empty, nil otherwise
func checkKey(key string) error {
	if len(key) == 0 {
		return _const.ErrKeyIsEmpty
	}
	return nil
}

// setZSetToDB writes a FZSet object to the database.
//