~jojo/Carth

ref: 55fb4f948f1f3797078b584dc60b4f7dd68b37ed Carth/std/either.carth -rw-r--r-- 43 bytes
55fb4f94JoJo Check `cast` in Infer instead of Gen 4 months ago
                                                                                
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(data (Either a b)
  (Left a)
  (Right b))