* TP [2013-05-22 18:45:06+0200]
> Ok, thanks, I understand. Now, I'm stuck to compile this code (independent
> from my previous post, but related to it):
>
> ---
> {-# LANGUAGE DataKinds #-}
> {-# LANGUAGE KindSignatures #-}
>
> data Nat = Zero | Succ Nat
> type One = Succ Zero
> ty
Roman Cheplyaka wrote:
> You are confusing type and value variables.
>
> c2num order
>
> means apply the function 'c2num' to the value variable 'order', which is
> not defined.
>
> To get from a type to a value you can use a type class 'Sing' (for
> 'singleton')
>
> class Sing a where
>
* TP [2013-05-22 16:18:55+0200]
> Hi all,
>
> I wonder if there is some means to get a type variable value in the body of
> a class instance definition. It seems it is not possible (a workaround has
> already been given on this list), but I would like a confirmation.
> For example, imagine that
Hi all,
I wonder if there is some means to get a type variable value in the body of
a class instance definition. It seems it is not possible (a workaround has
already been given on this list), but I would like a confirmation.
For example, imagine that I have a Tensor type constructor, that takes
