Discover ADTs (Algebraic Data Types) in modern Java: how records and sealed interfaces bring sum types and product types to Java 25

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Writing about Scala, Kotlin, and the JVM — from functional programming and effect systems to design patterns and concurrency.

The direct style in Scala 3, influenced by languages like Kotlin and Rust, simplifies functional programming by eliminating for-comprehension syntax on higher-kinded types. It offers an imperative approach supported by context functions. While many Scala developers support it, others prefer the tra

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Scala’s effect systems have come a long way from Monix and Scalaz, to Cats Effect, ZIO, and now Ox and Kyo. The debate between monadic and direct styles is at its peak or maybe, it doesn’t have to be ...

Scala’s effect systems have come a long way from Monix and Scalaz, to Cats Effect, ZIO, and now Ox and Kyo. The debate between monadic and direct styles is at its peak or maybe, it doesn’t have to be ...

Scala.IO is a conference for people having interest in the Scala ecosystem or simply being curious about the language, usages

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Find a different effect definition, something like Yaes[Random & Raise[E]] ?=> A.

Task datatype, meant for cross-language interop (Java, Kotlin, Scala) - funfix/tasks

Slides' Deck for the Scalar 2025 Conference. Contribute to rcardin/scalar-2025 development by creating an account on GitHub.