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No instance for (Semigroup FormEncType) #158

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cimmanon opened this issue Apr 12, 2020 · 1 comment

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cimmanon commented Apr 12, 2020

In base 4.11, Semigroup was made a superclass of Monoid, with mappend belonging to Semigroup. This results in the following error:

src/Text/Digestive/Form/Encoding.hs:42:10: error:
    * No instance for (Semigroup FormEncType)
        arising from the superclasses of an instance declaration
    * In the instance declaration for `Monoid FormEncType'
   |
42 | instance Monoid FormEncType where
   |          ^^^^^^^^^^^^^^^^^^

ludat commented Feb 9, 2024 •

edited

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isn't this issue already fixed by this?

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