[Agda] How do I handle haskell type contexts from agda when using
Nils Anders Danielsson
nad at cse.gu.se
Tue Aug 27 13:25:25 CEST 2013
On 2013-08-25 00:09, Chris Moline wrote:
> Hi, I'm making a binding to gtk to help me gain some familiarity with
> the language but I don't know how to reflect type constraints within
> agda. How can I make "instances" of a type?
The Haskell FFI doesn't have any special support for classes and
instances. I suggest that you add record types ActionClassR and
WidgetClassR on the Haskell side, along with a function
actionConnectProxyR :: ActionClassR self -> WidgetClassR proxy ->
self -> proxy -> IO ()
that calls actionConnectProxy.
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