Chapter 9
Basic Object-Oriented Programming in Tcl
Over the years, Tcl has suffered from a surplus of object-oriented programming systems without ever having an object-oriented system integrated into the language. With Tcl8.6, the TclOO package has become part of the core language. TclOO can be used with Tcl8.5 as a loadable package.
A few of the object-oriented packages that led to TclOO include:
• [incr tcl]
This was the first object-oriented system for Tcl. Like C++, it has been a standard for many years. The [incr tcl] extension duplicates the C++ model of classes with single and multiple inheritance, friend classes, private, protected and public methods and both class and object variables.
This is the most popular OO extension ...
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