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packer/website/source/docs/configuration/from-1.5/functions/collection/index.html.md

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docs index - Functions - Configuration Language configuration-functions-collection-index The index function finds the element index for a given value in a list.

index Function

index finds the element index for a given value in a list.

index(list, value)

The returned index is zero-based. This function produces an error if the given value is not present in the list.

Examples

> index(["a", "b", "c"], "b")
1

Related Functions

  • element retrieves a particular element from a list given its index.