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head/lang/lua54/pkg-descr
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Lua is a programming language originally designed for extending applications, | |||||
but also frequently used as a general-purpose, stand-alone language. Lua | |||||
combines simple procedural syntax (similar to Pascal) with powerful data | |||||
description constructs based on associative arrays and extensible semantics. | |||||
Lua is dynamically typed, interpreted from bytecodes, and has automatic memory | |||||
management with garbage collection, making it ideal for configuration, | |||||
scripting, and rapid prototyping. | |||||
A fundamental concept in the design of Lua is to provide meta-mechanisms for | |||||
implementing features, instead of providing a host of features directly in | |||||
the language. For example, although Lua is not a pure object-oriented | |||||
language, it does provide meta-mechanisms for implementing classes and | |||||
inheritance. Lua's meta-mechanisms bring an economy of concepts and keep the | |||||
language small, while allowing the semantics to be extended in unconventional | |||||
ways. Extensible semantics is a distinguishing feature of Lua. | |||||
Lua is implemented as a small library of C functions, written in ANSI C, and | |||||
compiles unmodified in all known platforms. The implementation goals are | |||||
simplicity, efficiency, portability, and low embedding cost. | |||||
WWW: https://www.lua.org/ |