[Haskell-cafe] Type trickery

[Miguel Mitrofanov]

  I fail to see how does it limit the scope.

16.03.2011 15:05, Andrew Coppin пишет:
>> You could define a function:
>>
>> withContainer ∷ (∀ s. Container s → α) → α
>>
>> which creates a container, parameterizes it with an 's' that is only
>> scoped over the continuation and applies the continuation to the
>> created container.
>
> Hmm, yes. That will work, but I wonder if there's some way of doing this that doesn't limit the scope of the container to one single span of code...
>
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