Scala Cosmos
An example Scala 3 application to show the new features introduced by the language.
See also the post that describes Scala 3 features implemented in the application deeper.
Features shown:
- Givens in multiple cases.
- New enums, parametrized and not, also used to define ADT.
- Extension methods.
- Opaque type aliases to keep domain values.
- Automatic type class derivation for response JSON encoding.
- Implicit conversions in a new Scala 3 way.
- AkkaHttp as a Scala 2 integration example.
- Scala 3 test framework usage with givens profits.
- The new way to define program entry point with @main annotation.
- Union and intersection types.
Easylog
This library allows to simplify logging for Android applications. It wraps default Log functionality and adds ability to log to permanent memory.
Features:
- Annotation based logger injection.
- Automatic tag generation with class name.
- Logging to a common or a logger specific file.
- Easy configuration and integration for Java and Kotlin.
Scala 3 Macros
Scala 3 macros examples.
See also the post that describes features implemented in the project deeper.
Features:
- Introduction to Scala 3 macros.
- Practical example to create type safe prepared statements.
- Type matching.
Air quality sensor
Software to handle Plantower PMS5003 air quality sensor for Arduino. It is written with use of C++ and applied in a small project.
Beside the sensor handling more hardware is handled in the code. You can use it in own projects or treat as an example to learn.
