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On 14-07-29 04:44 AM, Magicloud Magiclouds wrote:
I should just use Widget I defined. Why not before.... But then I am confused on type cast again. How to extract the existential type inside Widget?
I should just use Widget I defined. Why not before....
But then I am confused on type cast again. How to extract the existential type inside Widget?
If you really want it, you need Data.Typeable.
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