Lua - Modules

Lua module U109

Modules

Exercises, examples and other material relating to training module U109. This topic is presented on public courses Learning to program in Lua, Lua Programming

Articles and tips on this subject		updated
2455	Lua examples - coroutines, error handling, objects, etc I have presented a bespoke Lua course over the last three days ... and it has lead me to some interesting new examples which I'm sharing here. Object Orientation is more a way of thinking and coding than a language feature in Lua - when you set up a piece of data / structure / object, you do so in a ...	2009-10-17
2358	Encapsulating shared code in a Lua module Have you ever written code like this? seps = {" "," "," [",'] "','" '," ",' "','" "','"'} Yes, I have ... in fact, that's code that I wrote on Tuesday during the Lua course; it's an indexed table of the separators used to split down a web access log record that's in the apache httpd combined format. Am ...	2009-08-13
1699	If you are learning Lua, here are some more examples During some courses, I write few (if any) new examples in front of my delegates, rather relying on the standard ones in the training notes (which I wrote anyway!) and making small changes and adjustments to illustrate how things work. On other courses, though, I write a some new examples from scratch ...	2008-08-05

Examples from our training material

Distance.lua	Namespace definition in Lua
MyLib.lua	where do modules / namespaces load from?
MyLib2.lua	where do namespaces load from?
exc	Excercise on loading functions from a file
gdist	get distance between points - uses module
httpcalls.lua	A module to handle web access log records
j2	... then moving logic out to a module
joinery	Separating out detailed logic into separate functions
mymod.lua	First Lua Module
skills.lua	Sample answer to exercise - an include file
strictcure	How strict.lua can trap globals
useit	Program to use a module
withstrict	How strict.lua can trap globals

Background information

Some modules are available for download as a sample of our material or under an Open Training Notes License for free download from http://www.training-notes.co.uk.

Topics covered in this module

The require function.
Module directory and environment variables.
Namespaces.
Globals and Strict.
Other Module Functions.

Complete learning

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