# set.empty · Rell standard library · Chromia Docs (concept)

> pure function empty(): boolean Check if this collection is empty. Returns true if this collection is empty, false otherwise Since 0.6.0

Source: https://docs.chromia.com/pages/rell-stdlib/-rell-system-library/root/set/empty/

FUNCTION

# set.empty

```signature
pure function empty(): boolean
```

Check if this collection is empty.

**Returns**

`true` if this collection is empty, `false` otherwise

Since 0.6.0

[View this page on docs.chromia.com](https://docs.chromia.com/pages/rell-stdlib/-rell%20-system%20-library/%5Broot%5D/set/empty.html)Generated API reference, mirrored from the live docs