[Haskell-cafe] [C][enums][newbie] What is natural Haskell representation of such enum?

[Yves Parès]

I may be curious to see how you intend to use such enum...
It is very C-wise, I'm not sure it will be very handy, but I need some
context.

2012/1/22 Данило Глинський <abcz2.uprola at gmail.com>

> What is natural Haskell representation of such enum?
>
> enum TypeMask
> {
>    UNIT,
>    GAMEOBJECT,
>
>    CREATURE_OR_GAMEOBJECT = UNIT | GAMEOBJECT
> };
>
> More sophisticated question is: and what data structures must be used when
> converting this naturally one to Haskell?
>
> // 1-byte flaged enum
> enum TypeMask
> {
>    // ...
>    UNIT        = 0x0004,
>    GAMEOBJECT  = 0x0008,
>    // ...
>
>    CREATURE_OR_GAMEOBJECT = UNIT | GAMEOBJECT
> WORLDOBJECT = UNIT | PLAYER | GAMEOBJECT | DYNAMICOBJECT | CORPSE
>    // ... even more enum combos ...
> };
>
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