Graphics Reference
In-Depth Information
Procedures/Functions:
procedure
p (<parameters>);
<return type>
function
f (<parameters>);
Reference parameters, that is, parameters that are passed by address, are indi-
cated by “
ref
”. Any other parameters will be assumed to be value parameters by
default. For example,
integer function
(
ref real
r,
integer
i);
indicates that the parameter r is passed by address and i, by value.
All procedure/function names will be capitalized. All variables will start with a
lowercase letter.
