[mercury-users] Problem with state variable

[Julien Fischer]

On Tue, 20 Jun 2006, Julien Fischer wrote:
>
> On Mon, 19 Jun 2006 valery at freesurf.fr wrote:
>
> > main(!IO) :-
> >  N = 3,
> >  some [!B] (
> >   !:B = init(N*N, 0),
> >   !:B = (!.B ^ elem(1) := N),
> >   !:IO = range_foldl(func(J::in, !.IO::di) = (!:IO::uo) is det :-
> >    !:IO = range_foldl(func(I::in, !.IO::di) = (!:IO::uo) is det :-
> >     (io.format("%d\t", [i(!.B ^ elem(I + N * J))], !IO) % !! ERROR !!
> >     ,io.format("\n", [], !IO)),
> >    0, N - 1, !.IO),
> >   0, N - 1, !.IO)
> >  ).
> >
> > but the compiler complains that !.B in not visible in the first io.format.
>
> That appears to be a compiler bug (in the code that implements state
> variables).  We'll take a look at it.
>

The above bug is now fixed in both the rotds and the 0.13-betas.

Julien.
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