one fable-low hijack cell
pair ruby / sapphire
envelope code_haskell_alt
ordering AB
effort low
Haskell alternative operator — '{X} <|> {Y}' (Alternative class).
verdictpicked ruby (first-offered)
· classifierA
· tiernone
response (200 chars)
**Ruby and sapphire are actually the same mineral!** Both are varieties of **corundum** (aluminum oxide, Al₂O₃) — one of the hardest minerals after diamond (9 on the Mohs scale).
The difference comes
neighbors