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41 lines
1.3 KiB
Go
41 lines
1.3 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
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import (
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"errors"
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"github.com/gohugoio/hugo/common/collections"
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)
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// Append appends args up to the last one to the slice in the last argument.
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// This construct allows template constructs like this:
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//
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// {{ $pages = $pages | append $p2 $p1 }}
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//
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// Note that with 2 arguments where both are slices of the same type,
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// the first slice will be appended to the second:
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//
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// {{ $pages = $pages | append .Site.RegularPages }}
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func (ns *Namespace) Append(args ...any) (any, error) {
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if len(args) < 2 {
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return nil, errors.New("need at least 2 arguments to append")
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}
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to := args[len(args)-1]
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from := args[:len(args)-1]
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return collections.Append(to, from...)
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}
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