hugo pages_prev_next 代码
文件路径：/resources/page/pages_prev_next.go
/ Copyright 2019 The Hugo Authors. All rights reserved.
/
/ Licensed 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 page
/ Next returns the next page relative to the given
func (p Pages) Next(cur Page) Page {
x := searchPage(cur, p)
if x <= 0 {
return nil
}
return p[x-1]
}
/ Prev returns the previous page reletive to the given
func (p Pages) Prev(cur Page) Page {
x := searchPage(cur, p)
if x == -1 || len(p)-x < 2 {
return nil
}
return p[x+1]
}
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