[Agda] COMPILED_DATA directive for Maybe

[Nils Anders Danielsson]

On 2009-11-22 23:05, Andrés Sicard-Ramírez wrote:
> Any ideas how to define a COMPILED_DATA directive for the (new)
> universe polymorphic datatype Maybe defined in Data.Maybe.Core?

If the universe polymorphism was uniform, then I believe it would be
possible to map all variants of Maybe to the Haskell Maybe type.
However, an Agda program can treat Maybe {zero} and Maybe {suc zero}
differently, so this is not possible. If you want to interoperate with
the Haskell Maybe type, then I suggest that you define a
non-universe-polymorphic variant of Maybe in Foreign.Haskell.

--
/NAD


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