| /* |
| Licensed to the Apache Software Foundation (ASF) under one or more |
| contributor license agreements. See the NOTICE file distributed with |
| this work for additional information regarding copyright ownership. |
| The ASF licenses this file to You under the Apache License, Version 2.0 |
| (the "License"); you may not use this file except in compliance with |
| the License. You may obtain a copy of the License at |
| |
| http://www.apache.org/licenses/LICENSE-2.0 |
| |
| Unless required by applicable law or agreed to in writing, software |
| distributed under the License is distributed on an "AS IS" BASIS, |
| WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| See the License for the specific language governing permissions and |
| limitations under the License. |
| */ |
| |
| package helper |
| |
| type ListBaseNode struct { |
| next interface{} |
| } |
| |
| func (l *ListBaseNode) Next() interface{} { |
| if l.next == nil { |
| return nil |
| } |
| return l.next |
| } |
| |
| func (l *ListBaseNode) SetNext(next interface{}) { |
| l.next = next |
| } |
| |
| // NewListBaseNode create and init a new node |
| func NewListBaseNode() *ListBaseNode { |
| return &ListBaseNode{ |
| next: nil, |
| } |
| } |
| |
| // check if is all right for interface QueueNode |
| var _ QueueNode = (*ListBaseNode)(nil) |