hugo/docs/content/functions/in.md

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in Checks if an element is in an array or slice--or a substring in a string---and returns a boolean. 2017-02-01 2017-02-01 2017-02-01
functions
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functions
in SET ITEM
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The elements supported are strings, integers and floats, although only float64 will match as expected.

In addition, in can also check if a substring exists in a string.

{{ if in .Params.tags "Git" }}Follow me on GitHub!{{ end }}
{{ if in "this string contains a substring" "substring" }}Substring found!{{ end }}