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Lua Programming Gems
Lua Programming Gems
edited by
Luiz Henrique de Figueiredo
Waldemar Celes
Roberto Ierusalimschy
Lua.org
Rio de Janeiro
2008
Lua Programming Gems
edited by Luiz Henrique de Figueiredo, Waldemar Celes, Roberto Ierusalimschy.
ISBN 978-85-903798-4-3.
Copyright c 2008 by the editors and individual contributors. All rights reserved.
Book cover by Pedro de Mazza Cerqueira. Lua logo design by Alexandre Nako.
A
Typesetting by the editors using LTEX.
Book web site:
http://www.lua.org/gems/
Although the editors and the authors have used their best efforts in preparing
this book, they assume no responsibility for errors or omissions, or for any dam-
age that may result from the use of the information presented here. All product
names mentioned in this book are trademarks of their respective owners.
Contents
Preface . . . . . . . . . . . . . . . . .
Foreword, by Cameron Laird . . . . .
Lua and Lightroom, by Mark Hamburg
Contributors . . . . . . . . . . . . . . .
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vii
ix
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xiii
I
1
2
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Programming Techniques
Lua Per-Thread Library Context . . . . . . . . . . . . . . . . . . . . . .
Doug Currie
Lua Performance Tips . . . . . . . . . . . . . . . . . . . . . . . . . . .
Roberto Ierusalimschy
Vardump: The Power of Seeing What’s Behind . . . . . . . . . . . . .
Tobias Sulzenbruck and Christoph Beckmann
¨
¨
Serialization with Pluto . . . . . . . . . . . . . . . . . . . . . . . . . . .
Ben Sunshine-Hill
Abstractions for LuaSQL . . . . . . . . . . . . . . . . . . . . . . . . . .
´
Tomas Guisasola Gorham
Boostrapping a Forth in 40 Lines of Lua Code . . . . . . . . . . . . . .
Eduardo Ochs
Effecting Large-Scale Change (with little trauma) using Metatables . .
´
Sergio Alvares Maffra and Pedro Miller Rabinovitch
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15
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II
8
9
10
Design Techniques
MVC Web Development with Kepler . . . . . . . . . . . . . . . . . . .
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Andre Carregal and Yuri Takhteyev
Filters, Sources, Sinks, and Pumps . . . . . . . . . . . . . . . . . . . .
Diego Nehab
Lua as a Protocol Language . . . . . . . . . . . . . . . . . . . . . . . .
Patrick Rapin
85
97
109
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