The first computer I personally owned had 256 bytes of memory. Bytes. The processor in my mouse and keyboard both have more memory than that. Lots more. Granted, 256 bytes was a bit extreme, but even ...
enough hands-on exposure to grasp the underlying concept. First, you must understand that named subroutines are global by nature; that is, the subroutine name (identifier) lives in the package’s ...
wanted. But what are subroutine references good for? A couple of common uses are dispatch tables and passing routines as arguments to other ...
There are two types of subroutine: Procedures perform a specific task but do not return a value. Functions manipulate data and return a value to the main program. A local variable is a variable that ...