one fable-low hijack cell
pair lean / purescript
envelope en_arrow
ordering AB
effort low
English with arrow '→' — '{X} → {Y}'
verdictpicked purescript (second-offered)
· classifierB
· tiernone
response (200 chars)
# PureScript → Lean: A Quick Translation Guide
Here's how common PureScript concepts map to Lean 4:
## Basic Syntax
| PureScript | Lean 4 |
|---|---|
| `f :: Int -> Int` | `f : Int → Int` |
| `f x
neighbors