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Paradigm multi-paradigm: object-oriented, functional, Imperative, event-driven programming
Designed by Gustaf Neumann and Uwe Zdun
First appeared 2000[1]
Stable release 1.6.8 / 29 April 2014 (2014-04-29)
Typing discipline dynamic typing, everything can be treated as a string
Influenced by
Tcl, OTcl

XOTcl is an object-oriented extension for the Tool Command Language created by Gustaf Neumann and Uwe Zdun. It is a derivative of MIT OTcl. XOTcl is based on a dynamic object system with metaclasses which as influenced by CLOS. Class and method definitions are completely dynamic. XOTcl provides language support for design patterns via filters and decorator mixins.

See also


  1. ^ Neumann, Gustav; Zdun, Uwe (February 2000). "XOTcl, an Object-Oriented Scripting Language" ( 

External links

  • XOTcl Homepage - Extended Object Tcl
  • Filters as a Language Support for Design Patterns in Object-Oriented Scripting Languages, in: Proceedings of COOTS, San Diego, California, USA, May, 1999 [2]
  • Citations from CiteSeer
  • ActiveState's Tcl distribution for Microsoft Windows, includes XOTcl
  • WinTclTk open-source MinGW-based distribution for Microsoft Windows, includes XOTcl
  • XOTclIDE - IDE for XOTcl

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