hugo/docs/content/en/functions/collections/In.md

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title	linkTitle	description	keywords	menu	function	relatedFunctions	aliases
collections.In	in	Reports whether an element is in an array or slice, or if a substring is in a string.		docs parent functions	aliases returnType signatures in bool collections.In SET ITEM	collections.Slice	/functions/in

{{ $s := slice "a" "b" "c" }}
{{ in $s "b" }} → true

{{ $s := slice 1 2 3 }}
{{ in $s 2 }} → true

{{ $s := slice 1.11 2.22 3.33 }}
{{ in $s 2.22 }} → true

{{ $s := "abc" }}
{{ in $s "b" }} → true