Add FoldM1 #219
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Topsii
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Gabriella439
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Jan 4, 2025
src/Control/Foldl/NonEmpty.hs
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| @@ -375,16 +601,77 @@ minimumBy cmp = Fold1 (\begin -> Fold min' begin id) | |||
| _ -> x | |||
| {-# INLINABLE minimumBy #-} | |||
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| -- | Upgrade a fold to accept the 'Fold1' type | |||
| -- | Upgrade a "non-empty" fold to accept the 'Fold1' type | |||
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I think you want to escape quotes, otherwise haddock tries to interpret them as a module reference. Same comment for the other quotes in the documentation:
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| -- | Upgrade a "non-empty" fold to accept the 'Fold1' type | |
| -- | Upgrade a \"non-empty\" fold to accept the 'Fold1' type |
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With background shading the rounded corners between two immediately consecutive inline code spans would be visible. Merges these inline code spans into a single one to avoid this.
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I do not export the constructor
FoldM1'. Instead I export the pattern synonymFoldM1, which has a Monad constraint. This way we retain the option to later change the datatype definition toNote that currently
hoistsor the Functor instance can only be implemented withFoldM1'because they do not requireMonad m.I also changed the handler type signatures from
Handler a btoHandler s ato match thes t a bnaming scheme for optics.