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Add "fixRecord" function. #11

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danidiaz opened this issue Feb 24, 2019 · 2 comments
Open

Add "fixRecord" function. #11

danidiaz opened this issue Feb 24, 2019 · 2 comments

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@danidiaz
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A function with this signature could make sense:

fixRecord :: forall t. Record ((->) (Record I t)) t -> Record I t

Possible use case: allowing AOP-like features in a record-of-functions, where some functions depend on others.
@danidiaz
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Using fixRecord for dependency injection.

@danidiaz
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Instead of (->) (Record I t), perhaps it would be better to use ReaderT m (Record I t) and make it work over any m that is an instance of MonadFix (in particular, Identity).

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@danidiaz