Re: [Haskell-cafe] Is it possible to get the information of instances of a type?

Can't be done. Even if this particular module doesn't contain "instance Class Type", it's quite possible that the said instance would be defined in another module, about which this one knows nothing about. On the other hand, what would you do with that information? Отправлено с iPad 26.10.2011, в 17:53, Magicloud Magiclouds написал(а):

Hi, If this was in ruby or other languages that support reflection, it won't be a question. But in Haskell, could I write a code to list the classes that a type instanced? TemplateHaskell as well. -- 竹密岂妨流水过 山高哪阻野云飞

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