Perl/Tk Documentation. TJP September/99. Introduction Damian Conway is the author of the newly released Object Oriented Perl, the first of a new series of Perl books from Manning. Object-oriented programming in Perl is easy. Forget the heavy theory and the sesquipedalian jargon: classes in Perl are just regular packages, objects are just variables, methods are just subroutines. The syntax and semantics are a little different from regular Perl, but the basic building blocks are completely familiar. The one problem most newcomers to object-oriented Perl seem to stumble over is the notion of references and referents, and how the two combine to create objects in Perl.
So let's look at how references and referents relate to Perl objects, and see who gets to be blessed and who just gets to point the finger. Let's start with a short detour down a dark alley... References and referents Sometimes it's important to be able to access a variable indirectly— to be able to use it without specifying its name. Making a reference HASH(0x10027588) TPJ on Dr. Dobbs. The Perl Journal. Roth Consulting. PerlMonks.
Higher-Order Perl.