[m-users.] higher order issue: `ground` seen but expecting higher-order pred

Volker Wysk post at volker-wysk.de
Thu Oct 6 03:41:12 AEDT 2022


Am Mittwoch, dem 05.10.2022 um 17:13 +0100 schrieb Sean Charles
(emacstheviking):
> 
> It's basically the same error I had last time via a different route as far
> as my limited brain can tell. Some days this higher-order stuff just makes
> no sense to me at all how Mercury does it.

You've defined the argument of the word_handler data constructor to be a
predicate with six arguments. But in line 218, you're calling it with just
four arguments.

Volker
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