Method RPush

structure/list.go:94–125

RPush adds a value to the right of the list corresponding to the key If the key does not exist, it will create the key

(key string, value interface{}, ttl int64)

// RPush adds a value to the right of the list corresponding to the key
// If the key does not exist, it will create the key
func (l *ListStructure) RPush(key string, value interface{}, ttl int64) error {
	// Check if value is empty
	if value == nil {
		return ErrInvalidValue
	}

	// Get the list
	lst, _, err := l.getListFromDB(key, true)
	if err != nil {
		return err
	}
	var expirationTime time.Duration
	// Append the new data to the end
	newNode := &listNode{
		Value: value,
		Next:  nil,
	}
	if lst.Length == 0 {
		lst.Head = newNode
	} else {
		// Find the last node
		lastNode := lst.Head
		for lastNode.Next != nil {
			lastNode = lastNode.Next
		}
		lastNode.Next = newNode
	}
	lst.Length++
	expirationTime = time.Duration(ttl) * time.Second
	// Store to db
	return l.setListToDB(key, lst, expirationTime)
}

// RPushs appends one or more values to the right side of a list associated with a key.
// If the key does not exist, it will be created.