Individual skill

scala-pro

Idiomatic Scala: functional-OO blend, case classes, pattern matching, effect systems, and build tooling. Use when writing, reviewing, or structuring Scala applications.

skills/scala-pro/SKILL.md

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# Scala Pro

## Overview

Scala's strength — **a principled blend of functional and object-oriented programming on the JVM** —
is also its risk: the language lets you write Java-with-sugar, Haskell-on-the-JVM, or anything in
between. Professional Scala means picking a coherent style for the codebase (and sticking to it):
immutable data with case classes, `Option`/`Either` instead of nulls/exceptions for expected cases,
for-comprehensions for sequencing, and an effect story the team understands.

The through-line: expressive types, immutable data, explicit effects — and consistency across the codebase.

## When to use
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