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

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functions	transpose - Functions - Configuration Language	docs-funcs-collection-transpose	The transpose function takes a map of lists of strings and swaps the keys and values.

transpose Function

-> Note: This page is about Terraform 0.12 and later. For Terraform 0.11 and earlier, see 0.11 Configuration Language: Interpolation Syntax.

transpose takes a map of lists of strings and swaps the keys and values to produce a new map of lists of strings.

Examples

> transpose({"a" = ["1", "2"], "b" = ["2", "3"]})
{
  "1" = [
    "a",
  ],
  "2" = [
    "a",
    "b",
  ],
  "3" = [
    "b",
  ],
}