Applied Functional Programming Workshop - Scala Edition

SBT Commands

Enter SBT interactive shell

$ sbt

Common useful operations:

• projects: List all projects and mark the current one
• project <NAME>: Switch the current project to
• clean: Deletes all generated files from compilation
• compile: Compiles the main sources (in src/main/scala) of the current project
• console: Open the REPL with the current project loaded
• test: Compiles (main and test sources) and runs all tests
• testOnly: Compiles (main and test sources) and runs matching tests
• scalafmtAll: Format code for all configurations and projects

Run multiple commands:

>;clean;compile;test

Prepend ~ to any command to run it in watch mode. It can be used with one command:

>~test

or with many commands:

>~;scalafmtAll;clean;test

Documentation

Scala 3

• Scala Reference
• Scala API
• Scala Online Compiler

Test

• MUnit

Cats

• Cats
• Cats API
• Cats Type Classes

Cats Effect

• Cats-Effect
• Cats-Effect API