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Predicate clause/3
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Reference manual
Built-in Predicates
Examining the program
current_atom/1
current_blob/2
current_functor/2
current_flag/1
current_key/1
current_predicate/1
current_predicate/2
predicate_property/2
dwim_predicate/2
clause/2
clause/3
nth_clause/3
clause_property/2
Packages
Availability:
built-in
clause
(
:Head, ?Body, ?Reference
)
Equivalent to
clause/2
, but unifies
Reference
with a unique reference to the clause (see also
assert/2
,
erase/1
). If
Reference
is instantiated to a reference the clause's head and body will be unified with
Head
and
Body
.