Scala Idioms and Conventions
SkillDev toolsGuide for writing idiomatic Scala including naming conventions, error handling, and pattern matching.
Available today. Use it from your connected AI after setup.
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Connect ahel once, and every AI you use reads what you have installed.
Then ask your AI: use the Scala Idioms and Conventions skill
What this skill tells your AI
The instructions your AI receives, as published by cxcscmu/skilllearnbench in skills/b1-one-shot-claude-opus-4-6/python-scala-translation/python-scala-idioms/SKILL.md and read by ahel’s review.
Naming Conventions
- Classes/Traits:
PascalCase - Methods/Fields:
camelCase(notsnake_case) - Constants:
PascalCasein companion objects orUPPER_CASEfor enum-like - Package:
lowercase - Type parameters: single uppercase letter
T,A,B
Error Handling
// Python: raise ValueError -> Scala: throw or Either/Try
// Prefer Option for absence, Either/Try for errors
def tokenizePath(value: Json, path: String): Option[Token]
Pattern Matching (replaces isinstance chains)
// Python: if isinstance(value, str): ...
// Scala:
value match {
case s: String => ...
case i: Int => ...
case _ => ...
}
String Interpolation
// Python: f"{value:.6f}" -> Scala: f"$value%.6f" or s"$value"
Companion Objects
// Factory methods, constants go in companion objects
object TemporalTokenizer {
val IsoFormat = "yyyy-MM-dd'T'HH:mm:ss"
val DateFormat = "yyyy-MM-dd"
}
Signals
- GitHub stars
- 83
- Forks
- 5
- Last commit
- Jul 2026
Advanced
- Catalog kind
- skill
- Gateway key
python-scala-idioms- Source
- github.com/cxcscmu/skilllearnbench