scope in ghci. Reply

[S.D.Mechveliani]

Martin Norb <martin.norback@safelogic.se> writes


> I just noticed this behavior with ghci
> 
> After loading a module with
>
> :l Module
>
> you can't use the Prelude functions unqualified, you just get things
> like
> 
> <interactive>:1: Variable not in scope: `show'
> 
> I am pretty sure that this worked some days ago, and I was using the
> same version then.
>
> I feel totally confused. Has this happened to anyone else?


Even if Prelude is visible, still the library items are not.
(List.sort, Ratio ...). Maybe, this is natural, I do not know.

But I believe, it is possible to control the scope.
For example, create a module  Universe.hs  which re-exports
Prelude, libraries and user programs.
Then,  :l Universe  should bring to scope all these items.

-----------------
Serge Mechveliani
mechvel@botik.ru