# collection.size · Rell standard library · Chromia Docs (concept)

> pure function size(): integer Get the size (number of elements) of this collection. Since 0.6.0

Source: https://docs.chromia.com/pages/rell-stdlib/-rell-system-library/root/collection/size/

FUNCTION

# collection.size

```signature
pure function size(): integer
```

Get the size (number of elements) of this collection.

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/collection/size.html)Generated API reference, mirrored from the live docs