FP in Scala 3 -- Functional Software Crafter Skill

Cross-references: fp-principles | fp-domain-modeling | pbt-jvm

When to Choose Scala

• Best for: JVM with full FP power | large-scale systems | data engineering | richest effect ecosystem
• Not ideal for: small teams wanting simplicity | Android (use Kotlin) | teams allergic to OO/FP duality

[STARTER] Quick Setup

cs install scala3-compiler scala3-repl sbt
sbt new scala/scala3.g8 && cd order-service
# Add zio, zio-test, scalacheck to build.sbt
sbt compile && sbt test

[STARTER] Type System for Domain Modeling