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## Welcome to the Luon Programming Language
Luon is a high-level programming language with a syntax similar to [Oberon+](https://github.com/rochus-keller/oberon/), Oberon-07 and Oberon-2, integrating concepts from Lua, and targeting the LuaJIT VM. Luon can be regarded as a statically typed version of Lua. The name is thus a combination of "Lua" and "Oberon".
Luon procedures can be declared "external" and be implemented in Lua. This allows the re-use of libraries written in Lua, and also C libraries via
the LuaJIT foreign function interface.
The language specification can be found in the [specification subdirectory](https://github.com/rochus-keller/Luon/tree/master/specification).
See also the code examples below.
The project is the result of the author's experience with the [Smalltalk-80](https://github.com/rochus-keller/Smalltalk/) and [SOM VM](https://github.com/rochus-keller/Som/) implementation, and the prospect to build a [LuaJIT based Interlisp VM](https://github.com/rochus-keller/Gingko/).
In contrast to Oberon+, Luon doesn't have pointers, but instead all structured datatypes have reference semantics and are dynamically created. In addition to the ARRAY type, there is also a HASHMAP type for compatibility with Lua. There is also a STRING data type which - like Lua - is immutable and follows a value semantics.
In particular, Luon solves the following Lua shortcomings recognized during the aforementioned projects:
- conditional compilation to enable or disable statements only used for debugging and to avoid wasting calculation time
- constants not requiring local slots or hashed element access
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