There are very few types; string, number, table, function, thread and userdata.
This simplicity accounts for a lot of Lua's speed and compactness compared with languages of equivalent power.
The definitive book is Programming in Lua by Roberto Ierusalimschy, who is one of the creators of Lua.(the first edition is available online) If you are coming to Lua from another programming language, then see the list of common gotchas.And (of course), read the manual, although this is probably not a good place to .Lua is a compact language with a clean, conventional syntax which is easy to read.This makes it a good choice for embedding as a scripting language in larger applications, but also is suitable for introducing programming concepts.
Functions are first-class values and may be anonymous, so that functional styles can be learned.
Proper closures and tail-call recursion are supported.
It runs interactively so exploring the language and its libraries is easy.
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They should be only installed and operated by suitably qualified personnel who are familiar with the risks involved and in accordance with current health and safety regulations. This certificate confirms that the product detailed below complies with the specifications currently published by RS Components and has been subject to the quality conditions of our registration to the BS EN ISO9008 management standard.
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