Python to Scala Collections
SkillDev toolsGuide for mapping Python collection types and operations to Scala equivalents.
Available today. Use it from your connected AI after setup.
No other account needed.
Connect ahel once, and every AI you use reads what you have installed.
Then ask your AI: use the Python to Scala Collections 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-collections/SKILL.md and read by ahel’s review.
Type Mappings
| Python | Scala |
|---|---|
list[T] | List[T] or mutable.ListBuffer[T] |
dict[K, V] | Map[K, V] or mutable.Map[K, V] |
tuple[T, ...] | (T, ...) or Vector[T] |
set[T] | Set[T] |
Sequence[T] | Seq[T] |
Iterable[T] | Iterable[T] |
Iterator[T] | Iterator[T] |
Mutable Collections
import scala.collection.mutable
// Python: list with append -> mutable.ListBuffer
val buf = mutable.ListBuffer.empty[Token]
buf += token
// Python: dict -> mutable.Map
val reg = mutable.Map.empty[String, TokenContainer[T]]
reg(key) = container
Collection Operations
// Python: [f(x) for x in xs] -> xs.map(f)
// Python: [x for x in xs if p(x)] -> xs.filter(p)
// Python: enumerate(xs) -> xs.zipWithIndex
Signals
- GitHub stars
- 83
- Forks
- 5
- Last commit
- Jul 2026
Advanced
- Catalog kind
- skill
- Gateway key
python-scala-collections- Source
- github.com/cxcscmu/skilllearnbench