[m-users.] Avoiding a segmentation violation caused by a DCG

[Mark Brown]

On Wed, Oct 19, 2022 at 1:33 PM Razetime <rraghu.11502 at gmail.com> wrote:
> My assumption was that I could make this DCG tail recursive, or use
> semicontext notation to pass the final length through the states. How
> can I resolve this problem?

Introduce an accumulator for the length - pass in the initial value of
zero, and let pattern increment it.

I don't know what semicontext notation is, but In Mercury state
variables are suited to this purpose.

Mark

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