pkgsrc-wip/tcl-itcl3/DESCR

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[incr Tcl] provides the extra language support needed to build large Tcl/Tk
applications. It introduces the notion of objects, which act as building blocks
for an application. Each object is a bag of data with a set of procedures or
"methods" that are used to manipulate it. Objects are organized into "classes"
with identical characteristics, and classes can inherit functionality from one
another. This object-oriented paradigm adds another level of organization on
top of the basic variable/procedure elements, and the resulting code is easier
to understand and maintain.
This package provides itcl version 3.x. For newer version refer to the builtin
library in the mail Tcl package.