collections.go - hugo - [fork] hugo port for 9front
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       ---
       collections.go (1561B)
       ---
            1 // Copyright 2019 The Hugo Authors. All rights reserved.
            2 //
            3 // Licensed under the Apache License, Version 2.0 (the "License");
            4 // you may not use this file except in compliance with the License.
            5 // You may obtain a copy of the License at
            6 // http://www.apache.org/licenses/LICENSE-2.0
            7 //
            8 // Unless required by applicable law or agreed to in writing, software
            9 // distributed under the License is distributed on an "AS IS" BASIS,
           10 // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
           11 // See the License for the specific language governing permissions and
           12 // limitations under the License.
           13 
           14 package hugolib
           15 
           16 import (
           17         "github.com/gohugoio/hugo/common/collections"
           18         "github.com/gohugoio/hugo/resources/page"
           19 )
           20 
           21 var (
           22         _ collections.Grouper = (*pageState)(nil)
           23         _ collections.Slicer  = (*pageState)(nil)
           24 )
           25 
           26 // collections.Slicer implementations below. We keep these bridge implementations
           27 // here as it makes it easier to get an idea of "type coverage". These
           28 // implementations have no value on their own.
           29 
           30 // Slice is for internal use.
           31 func (p *pageState) Slice(items any) (any, error) {
           32         return page.ToPages(items)
           33 }
           34 
           35 // collections.Grouper  implementations below
           36 
           37 // Group creates a PageGroup from a key and a Pages object
           38 // This method is not meant for external use. It got its non-typed arguments to satisfy
           39 // a very generic interface in the tpl package.
           40 func (p *pageState) Group(key any, in any) (any, error) {
           41         pages, err := page.ToPages(in)
           42         if err != nil {
           43                 return nil, err
           44         }
           45         return page.PageGroup{Key: key, Pages: pages}, nil
           46 }