github.com/jaredpalmer/terraform@v1.1.0-alpha20210908.0.20210911170307-88705c943a03/website/docs/language/functions/distinct.html.md (about)

     1  ---
     2  layout: "language"
     3  page_title: "distinct - Functions - Configuration Language"
     4  sidebar_current: "docs-funcs-collection-distinct"
     5  description: |-
     6    The distinct function removes duplicate elements from a list.
     7  ---
     8  
     9  # `distinct` Function
    10  
    11  `distinct` takes a list and returns a new list with any duplicate elements
    12  removed.
    13  
    14  The first occurrence of each value is retained and the relative ordering of
    15  these elements is preserved.
    16  
    17  ## Examples
    18  
    19  ```
    20  > distinct(["a", "b", "a", "c", "d", "b"])
    21  [
    22    "a",
    23    "b",
    24    "c",
    25    "d",
    26  ]
    27  ```