one fable-low hijack cell
pair datalog / mercury
envelope code_haskell_alt
ordering BA
effort low
Haskell alternative operator — '{X} <|> {Y}' (Alternative class).
verdictpicked mercury (second-offered)
· classifierB
· tiernone
response (200 chars)
# Datalog vs. Mercury
Both are declarative logic programming languages rooted in Prolog's tradition, but they sit at opposite ends of the design spectrum.
## Datalog
- **Purpose**: Database queries,
neighbors