FP in Kotlin -- Functional Software Crafter Skill

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

When to Choose Kotlin

• Best for: gentlest FP onboarding for Java teams | Android | coroutines | pragmatic FP with great IDE support
• Not ideal for: teams wanting compiler-enforced purity | full effect systems | higher-kinded type abstractions

[STARTER] Quick Setup

mkdir order-service && cd order-service
gradle init --type kotlin-application --dsl kotlin
# Add arrow-core, arrow-fx-coroutines, kotest-property to build.gradle.kts
./gradlew build && ./gradlew test

[STARTER] Type System for Domain Modeling