Comments have no effect on the behaviour of a program. In fact they are ignored
when a Prolog term or program is read in. There are two forms of comment:
-
A sequence of characters that begins with the symbol “/*” and ends with
“*/” is treated as a comment.
- A sequence of characters that begins with the symbol “%” and ends with the
end-of-line character (carriage return) is treated as a comment.
The first type of comment allows a comment to extend over several lines. The second
type of comment is useful when commenting a single line. For example:
/*
** this is a comment
*/
% so is this
on stating the logic of the problem.og programs consist of facts and rules, which are referred to as clauses. A fact consists
®