one fable-low hijack cell
pair idris / lean
envelope code_haskell_alt
ordering BA
effort low
Haskell alternative operator — '{X} <|> {Y}' (Alternative class).
verdictpicked idris (first-offered)
· classifierA
· tiernone
response (200 chars)
**Lean vs Idris** — both are dependently typed functional languages, but with different emphases:
| | **Lean (4)** | **Idris (2)** |
|---|---|---|
| **Primary goal** | Theorem proving + math formaliz
neighbors