# Scala Type Class Derivation with (almost) no macros
8 min read
Automating type class derivation in Scala 3 using the Mirror API and compiletime utilities — replacing complex Scala 2 macro code with readable, type-safe compile-time logic.
Automating type class derivation in Scala 3 using the Mirror API and compiletime utilities — replacing complex Scala 2 macro code with readable, type-safe compile-time logic.
How to extract method parameter defaults at compile time in Scala 3 using macros, the Selectable trait, and computed field names for full type safety.
How to work around the JVM 64KB method size limit when generating code with Scala 3 macros, using local method chunking to split large generated methods.