Lua - Functions.

Functions. - Lua module U106

This topic is presented on public course Lua Programming

Examples from our training material

brvret	break v return
dress1	The problem of default global
dress2	declaring variables local to avoid global issues
dress3	Code loads at run time not compile time
ex106	excersize - functions
exrate	exchange rate example as a function
fav	Using tables and functions within them
fsr	Flexible Function Calls
funone	Function calling and definition in Lua
funtwo	global, local and call by value
isd	An adaptive function in Lua
lazy	lazy operators / short circuit evaluation
loadthese.lua	functions to include within a test harness
lomore	variables local to a block
owsort	how sorting via callbacks works
rmv	returning multiple values
size.lua	sample module - exercise answer
summer	variable arguments - a function to add up numbers
tabasnamed	function call via table
testharness	Loading functions from a file
vargs	Variable number of arguments

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

Defining and calling functions.
Variable scope.
Return values.
Chunks as functions.
Upvalues and Closures.
Variable Argument Lists.
Nesting and passing functions and recursion.

Complete learning

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