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Switch internal exception type to use existentials #2

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dolio opened this issue Aug 6, 2016 · 0 comments
Open

Switch internal exception type to use existentials #2

dolio opened this issue Aug 6, 2016 · 0 comments

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@dolio
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dolio commented Aug 6, 2016

Instead of data Box a = Box a, try data Box = forall a. Box a or the GADT. Probably technically safer (in situations I can't explain).
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@dolio