Check out v4 of the Fauna CLI

v4 of the Fauna CLI is now GA.

The new version introduces enhancements to the developer experience, including an improved authentication workflow. To get started, check out the CLI v4 quick start.

Migrating from v3 of the CLI? See the CLI migration guide.

set.isEmpty()

Learn: Sets

Test if a Set is empty.

Signature

isEmpty() => Boolean

Description

Tests if the calling Set is empty and contains no elements.

Parameters

None

Return value

Type Description

Boolean

If true, the Set is empty. Otherwise, false.

Examples

// `toSet()` converts an Array to a Set.
// In thise case, it creates an empty Set.
let set = [].toSet()
set.isEmpty()
true

Is this article helpful? 

Tell Fauna how the article can be improved:
 Visit Fauna's forums or email docs@fauna.com

Thank you for your feedback!