% ==========================================================================
% $Id: list_length.pl,v 1.1 2014/01/20 18:13:39 jlang Exp $
% CSI2120 example Code for lecture 3
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% (C)opyright:
%
%   Jochen Lang
%   EECS, University of Ottawa
%   800 King Edward Ave.
%   Ottawa, On., K1N 6N5
%   Canada. 
%   http://www.eecs.uottawa.ca/~jlang
% 
% Creator: jlang (Jochen Lang) based on Clocksin & Mellish
% Email:   jlang@eecs.uottawa.ca
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% $Log: list_length.pl,v $
% Revision 1.1  2014/01/20 18:13:39  jlang
% Created list processing examples for lecture 4.
%
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listLength([],0).
listLength([X|L],N) :- listLength(L,NN), 
    N is NN+1.