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opentofu/website/docs/configuration/functions/setintersection.html.md
Kristin Laemmert b1d0b1383f
lang/funcs: remove sethaselement function and documentation (#21164) 
`contains` and `sethaselement` are effectively the same function, and
`contains` works with `sets` thanks to automatic HCL conversion.
2019-05-02 10:47:19 -04:00

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functions setintersection - Functions - Configuration Language docs-funcs-collection-setintersection The setintersection function takes multiple sets and produces a single set containing only the elements that all of the given sets have in common.

setintersection Function

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

The setintersection function takes multiple sets and produces a single set containing only the elements that all of the given sets have in common. In other words, it computes the intersection of the sets.

setintersection(sets...)

Examples

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

The given arguments are converted to sets, so the result is also a set and the ordering of the given elements is not preserved.

Related Functions

  • contains tests whether a given list or set contains a given element value.
  • setproduct computes the cartesian product of multiple sets.
  • setunion computes the union of multiple sets.