opentf/website/docs/configuration/functions/distinct.html.md

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functions	distinct - Functions - Configuration Language	docs-funcs-collection-distinct	The distinct function removes duplicate elements from a list.

distinct Function

distinct takes a list and returns a new list with any duplicate elements removed.

The first occurence of each value is retained and the relative ordering of these elements is preserved.

Examples

> distinct(["a", "b", "a", "c", "d", "b"])
[
  "a",
  "b",
  "c",
  "d",
]