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``` git subtree add --prefix=docs/ https://github.com/gohugoio/hugoDocs.git master --squash ``` Closes #11925
43 lines
916 B
Markdown
43 lines
916 B
Markdown
---
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title: collections.In
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description: Reports whether the given value is a member of the given set.
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categories: []
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keywords: []
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action:
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aliases: [in]
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related:
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- functions/strings/Contains
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- functions/strings/ContainsAny
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- functions/strings/ContainsNonSpace
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- functions/strings/HasPrefix
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- functions/strings/HasSuffix
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returnType: bool
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signatures: [collections.In SET VALUE]
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aliases: [/functions/in]
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---
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The `SET` can be an [array], [slice], or [string].
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[array]: /getting-started/glossary/#array
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[slice]: /getting-started/glossary/#slice
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[string]: /getting-started/glossary/#string
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```go-html-template
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{{ $s := slice "a" "b" "c" }}
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{{ in $s "b" }} → true
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```
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```go-html-template
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{{ $s := slice 1 2 3 }}
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{{ in $s 2 }} → true
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```
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```go-html-template
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{{ $s := slice 1.11 2.22 3.33 }}
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{{ in $s 2.22 }} → true
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```
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```go-html-template
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{{ $s := "abc" }}
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{{ in $s "b" }} → true
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```
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