prolog:called_by(+Goal, -ListOfCalled)[multifile, '/home/swipl/src/swipl-devel/build/home/library/prolog_xref.pl']
If this succeeds, the cross-referencer assumes Goal may call any of the goals in ListOfCalled. If this call fails, default meta-goal analysis is used to determine additional called goals.
deprecated
- New code should use prolog:called_by/4
 prolog:called_by(+Goal, -ListOfCalled)[multifile, library(prolog_xref)]
If this succeeds, the cross-referencer assumes Goal may call any of the goals in ListOfCalled. If this call fails, default meta-goal analysis is used to determine additional called goals.
deprecated
- New code should use prolog:called_by/4