# Delta v0.4.2 - API Reference

## Modules

- [Delta](Delta.md)
- [Delta.Attr](Delta.Attr.md)
- [Delta.EmbedHandler](Delta.EmbedHandler.md): A module implementing `EmbedHandler` behaviour is required to make `compose`, `transform` and `invert` operations possible for custom embeds.
- [Delta.Op](Delta.Op.md)