and, not, or
and, not, or — are the same as the corresponding Logical Operators.
Syntax
and (!condition[,!condition]...)
not (condition)
or (!condition[,!condition]...)
Arguments
- condition
Any Gamma or Lisp expression.
Examples
Gamma> not(6);
nil
Gamma> not(nil);
t
Gamma> and(5<6,string("hi ","there"));
"hi there"
Gamma> and(5>6,string("hi ","there"));
nil
Gamma> x = 5;
5
Gamma> y = 6;
6
Gamma> or(x == 3, y == 0);
nil
Gamma> or(x == 3, y == 6);
t
Gamma>