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📝 SomeParser.

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Rob Rix 2019-10-02 14:52:45 -04:00
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src/Parsing/Parser.hs
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@ -201,6 +201,9 @@ someASTParser Markdown = Nothing
someASTParser Unknown = Nothing
-- | A parser producing terms of existentially-quantified type under some constraint @c@.
--
-- This can be used to perform actions on terms supporting some feature abstracted using a typeclass, without knowing (or caring) what the specific term types are.
data SomeParser c a where
SomeParser :: c t => Parser (t a) -> SomeParser c a