# operation · Rell standard library · Chromia Docs (concept)

> hidden abstract type operation Since 0.10.4

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

TYPE

# operation

```signature
hidden abstract type operation
```

Since 0.10.4

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