built-in method
question_hook/6
Description
question_hook(Question, Kind, Component, Tokens, Check, Answer)
User-defined hook method for intercepting asking a question, declared in
the logtalk built-in object as a public, multifile,
and dynamic predicate. This hook method is automatically called by the
ask_question/5 method. When the call
succeeds, the ask_question/5 method assumes that the question have
been successfully asked and replied.
Modes and number of proofs
question_hook(+nonvar, +nonvar, +nonvar, +list(nonvar), +callable, -term) - zero_or_one
Meta-predicate template
question_hook(*, *, *, *, 1, *)
Errors
(none)
Examples
:- multifile(logtalk::question_hook/6).
:- dynamic(logtalk::question_hook/6).
% use a pre-defined answer instead of asking the user
logtalk::question_hook(upper_limit, question, my_app, _, _, 3.7).