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29 lines
1.1 KiB
Go
29 lines
1.1 KiB
Go
// Copyright 2018 The Hugo Authors. All rights reserved.
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//
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// Licensed under the Apache License, Version 2.0 (the "License");
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// you may not use this file except in compliance with the License.
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// You may obtain a copy of the License at
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// http://www.apache.org/licenses/LICENSE-2.0
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//
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// Unless required by applicable law or agreed to in writing, software
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// distributed under the License is distributed on an "AS IS" BASIS,
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// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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// See the License for the specific language governing permissions and
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// limitations under the License.
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// Package collections contains common Hugo functionality related to collection
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// handling.
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package collections
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// Grouper defines a very generic way to group items by a given key.
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type Grouper interface {
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Group(key interface{}, items interface{}) (interface{}, error)
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}
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// Slicer definse a very generic way to create a typed slice. This is used
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// in collections.Slice template func to get types such as Pages, PageGroups etc.
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// instead of the less useful []interface{}.
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type Slicer interface {
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Slice(items []interface{}) (interface{}, error)
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}
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