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Pattern synonyms #8

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int-index opened this issue Jan 27, 2018 · 1 comment

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int-index commented Jan 27, 2018 •

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U1, U2, U3, U4, ... U16 for Union
OU1, OU2, OU3, OU4, ... OU16 for OpenUnion

Generate via TH, taking the amount as a parameter.

Owner Author

int-index commented Jan 27, 2018

Type-indexed patterns:

f = OpenUnion '[Integer, Bool, Char] -> r
f = \case
  OU (a :: Integer) -> ...
  OU (b :: Bool) -> ...
  OU (c :: Char) -> ...

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