[Haskell-cafe] Selda, type operators and heterogeneous lists

[Tom Ellis]

On Fri, Apr 13, 2018 at 03:59:44PM +0200, Marc Busqué wrote:
> ```
> categories :: Table (RowID:*:Text)
> expenses :: Table (RowID:*:Text:*:Double:*:RowID)
> ```
> 
> As both of them belong to different types, I can't put them in a single
> list out of the box:

Before we can help we need to know more.  Specifically, why do you want to
put them in a single list?