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This is the first official release of Dao. The design of Dao was partially influenced by Lua, while the design of Dao virtual machine was very much inspired by the Lua virtual machine (so much that I decided to change the implementation completely:) ).

Dao is a simple yet powerful object-oriented programming language with many advanced features including, soft (or optional) typing, BNF-like macro system, regular _expression_, multi-dimensional numeric array, closure, coroutine, asynchronous function call for concurrent programming etc.  Dao provides a rich set of standard data types, methods and libraries.  Dao is implemented as a light and efficient virtual machine with very transparent C programming interfaces, which make it easy to extend Dao with C/C++ or embed Dao into C/C++ programs.

There have been a lot of improvements since the last release including: a lot of bug fixing and some broken feature fixing; several large implementation changes to improve the structure and clarity of the codes; and some implementation of new features.  For the details, please have a look at:

Besides the improvements to the language and its implementation, the modules, tools, documentations and website associated with this language have also been improved greatly.  The documentations are more complete than before, and are prepared in nice formats for easy referencing.  A number of demos are also included in the release, including some programs for the The Computer Language Benchmarks Game, which can be tried out just for fun.

One automatic tool (tools/autobind.dao) was developed using Dao itself, and was used to create most of the released Dao extending modules, by generating wrappers directly from the header files of the corresponding C/C++ libraries.  This tool could also be used to wrap other C/C++ library as necessary.

A new website that was developed using Dao itself too, has been setup at, and is going to be the new official website of Dao.  This new website will be established as a serious platform to promote the spreading of Dao and to grow a community of its users.

Have fun.

Document: http//
Download: http//
Forum: http//

Limin Fu