Returns the logical OR of a list of expressions
(or [expr...])
The or function evaluates the expressions from left to right, looking for a non-nil expression.
Arguments
The expressions to be evaluated.
Return Values
T, if a non-nil expression is found; otherwise nil, if all of the expressions are nil or no arguments are supplied.
Note that or accepts an atom as an argument and returns T if one is supplied.
Examples
Command: (or nil 45 '())
T
Command: (or nil '())
nil
