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Onyx is a powerful stack-based, multi-threaded, interpreted, general purpose programming language similar to PostScript. It can be embedded as an extension language similarly to ficl (Forth), guile (scheme), librep (lisp dialect), s-lang, Lua, and Tcl.

Onyx is perhaps the most advanced stack-based general purpose programming language in existence It has the following distinguishing features:

  • Double-ended stacks are first class objects
  • Perl-compatible regular expressions.
  • Loadable module system.
  • Object-oriented programming (OOP) support similar to that of Objective-C

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