RosettaCodeData/Task/Repeat-a-string/Prolog/repeat-a-string-2.pro

22 lines
291 B
Prolog

:- system:set_prolog_flag(double_quotes,chars) .
repeat(SOURCEz0,COUNT0,TARGETz)
:-
prolog:phrase(repeat(SOURCEz0,COUNT0),TARGETz)
.
%! repeat(SOURCEz0,COUNT0)//2
repeat(_SOURCEz0_,0)
-->
! ,
[]
.
repeat(SOURCEz0,COUNT0)
-->
SOURCEz0 ,
{ COUNT is COUNT0 - 1 } ,
repeat(SOURCEz0,COUNT)
.