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% vim: ts=4 sw=4 et ft=mercury
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% This is invalid because the interface refers to stuff defined
% only in the implementation.

:- module tricky_assert1.
:- interface.
:- promise tricky_assert1.local.

:- implementation.
:- pred tricky_assert1.local is semidet.
:- pragma external_pred(tricky_assert1.local/0).