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Diffstat (limited to 'common/collections/collections.go')
-rw-r--r-- | common/collections/collections.go | 28 |
1 files changed, 28 insertions, 0 deletions
diff --git a/common/collections/collections.go b/common/collections/collections.go new file mode 100644 index 000000000..854f705b3 --- /dev/null +++ b/common/collections/collections.go @@ -0,0 +1,28 @@ +// Copyright 2018 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 collections contains common Hugo functionality related to collection +// handling. +package collections + +// Grouper defines a very generic way to group items by a given key. +type Grouper interface { + Group(key interface{}, items interface{}) (interface{}, error) +} + +// Slicer definse a very generic way to create a typed slice. This is used +// in collections.Slice template func to get types such as Pages, PageGroups etc. +// instead of the less useful []interface{}. +type Slicer interface { + Slice(items []interface{}) (interface{}, error) +} |