Who gave SWI-Prolog a sense of humor?

Question

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1 ?- Input.  
% ... 1,000,000 ............ 10,000,000 years later  
%   
%       >> 42 << (last release gives the question)
1 ?-

For others who upvote and have a [sense of humor](https://stackoverflow.com/q/84556/1243762) — Guy Coder, Jul 25 '17 at 20:16
[There from the beginning of git history at any rate](https://github.com/SWI-Prolog/swipl-devel/commit/97f1b0bbcedbb7598775a40caacbe16f139f28d8#diff-4eca7adb4b14551e006bd8363605e17dR174) — genpfault, Jul 25 '17 at 20:19
@genpfault Put `Jan Wielemaker` as the answer and I will accept it, then you can claim some rep in the land of Prolog. — Guy Coder, Jul 25 '17 at 20:22

genpfault · Accepted Answer · 2022-04-14T19:12:54.010

4

Jan Wielemaker at The Beginning of Time! (Time!...Time...time...)

Commit 97f1b0bbcedbb7598775a40caacbe16f139f28d8 on May 26, 1992:

$execute(Var, _) :-
    var(Var), !,
    $ttyformat('... 1,000,000 ............ 10,000,000 years later~n~n'),
    $ttyformat('~t~8|>> 42 << (last release gives the question)~n'),
fail.

edited Apr 14 '22 at 19:12

answered Jul 25 '17 at 20:25

genpfault

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Who gave SWI-Prolog a sense of humor?

1 Answers1

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