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jrdmcgr/family-tree.pl

Created August 24, 2015 00:05
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family-tree.pl
:- dynamic people/1.
:- dynamic portray_message/2.
:- use_module(library(prosqlite)).
set_gender(_, []).
set_gender(Sex, [Name|Names]) :-
sex(Name, Sex),
set_gender(Sex, Names).
main :-
DBPath = '/Users/jared2/Desktop/learn-prolog/family-tree',
sqlite_connect(DBPath, Connection, [
alias(db),
as_predicates(true),
arity(palette)
]),
findall(Name, people([name=Name, sex='M']), Names),
set_gender('M', Names),
sqlite_disconnect(Connection).
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jrdmcgr commented Aug 24, 2015 

?- main.
ERROR: set_gender/2: Undefined procedure: sex/2
ERROR:   However, there are definitions for:
ERROR:         see/1
   Exception: (9) sex('M', 'Jared McGuire') ?

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