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pagesPrevNext.go
38 lines (35 loc) · 989 Bytes
/
pagesPrevNext.go
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// Copyright © 2014 Steve Francia <[email protected]>.
//
// Licensed under the Simple Public 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://opensource.org/licenses/Simple-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 hugolib
func (p Pages) Prev(cur *Page) *Page {
for x, c := range p {
if c.UniqueID() == cur.UniqueID() {
if x == 0 {
return p[len(p)-1]
}
return p[x-1]
}
}
return nil
}
func (p Pages) Next(cur *Page) *Page {
for x, c := range p {
if c.UniqueID() == cur.UniqueID() {
if x < len(p)-1 {
return p[x+1]
}
return p[0]
}
}
return nil
}