GPDL Variables

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Variable names in GPDL can be of any length and are case-sensitive. System function names alway start with a dollar-sign. You should probably not start your variable names with a dollar-sign although it is not prohibited.

As in 'C', variables are local to the function in which they are defined. They cannot be referenced from outside that function. For example:

$FUNC checkForMushroom (characterClass)
  {
    $VAR x;
    x = "yes";

  } checkForMushroom ;

  $FUNC disolveBadges ( )
  {
    if (x == "yes")   // Compiler error...There ain't no x defined!
    {
          etc.
    };
  };

Variables are allocated on the stack when a function is called. This means that recursive functions get a new copy of local variables each time it calls itself.