Io (programming language)
Io is a pure object-oriented programming language inspired by Smalltalk, Self, Lua, Lisp, Act1, and NewtonScript. Io has a prototype-based object model similar to the ones in Self and NewtonScript, eliminating the distinction between instance and class. Like Smalltalk, everything is an object and it uses dynamic typing. Like Lisp, programs are just data trees. Io uses actors for concurrency.
| Paradigm | object-oriented prototype-based |
|---|---|
| Designed by | Steve Dekorte |
| Developer | Steve Dekorte, Jonathan Wright, Jeremy Tregunna |
| First appeared | 2002 |
| Stable release | 20170906
/ August 11, 2017 |
| Typing discipline | dynamic, strong |
| Website | iolanguage |
| Major implementations | |
| Io Io.NET | |
| Influenced by | |
| Smalltalk, NewtonScript, Self, Lua, Lisp, Python, Act1 | |
| Influenced | |
| Ioke, Potion | |
Remarkable features of Io are its minimal size and openness to using external code resources. Io is executed by a small, portable virtual machine.
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