Practical Common Lisp [Seibel 2005-04-11].pdf

Praise for Practical

Common Lisp

“Finally, a Lisp book for the rest of us. If you want to learn how to write a factorial

function, this is not your book. Seibel writes for the practical programmer,

emphasizing the engineer/artist over the scientist and subtly and gracefully

implying the power of the language while solving understandable real-world

problems.

“In most chapters, the reading of the chapter feels just like the experience of

writing a program, starting with a little understanding and then having that

understanding grow, like building the shoulders upon which you can then

stand. When Seibel introduced macros as an aside while building a test frame-

work, I was shocked at how such a simple example made me really ‘get’ them.

Narrative context is extremely powerful, and the technical books that use it are

a cut above. Congrats!” —Keith Irwin, Lisp programmer

“While learning Lisp, one is often referred to the CL HyperSpec if they do not

know what a particular function does; however, I found that I often did not ‘get it’

just by reading the HyperSpec. When I had a problem of this manner, I turned

to Practical Common Lisp every single time—it is by far the most readable

source on the subject that shows you how to program, not just tells you.”

—Philip Haddad, Lisp programmer

“With the IT world evolving at an ever-increasing pace, professionals need the

most powerful tools available. This is why Common Lisp—the most powerful,

flexible, and stable programming language ever—is seeing such a rise in popu-

larity. Practical Common Lisp is the long-awaited book that will help you

harness the power of Common Lisp to tackle today’s complex real-world prob-

lems.” —Marc Battyani, author of CL-PDF, CL-TYPESETTING, and mod_lisp

“Please don’t assume Common Lisp is useful only for databases, unit test

frameworks, spam filters, ID3 parsers, Web programming, Shoutcast servers,

HTML generation interpreters, and HTML generation compilers just because

these are the only things that happen to be implemented in the book Practical

Common Lisp .” —Tobias C. Rittweiler, Lisp programmer

“When I met Peter, who just started writing this book, I asked myself (not him,

of course), ‘Why yet another book on Common Lisp, when there are many nice

introductory books?’ One year later, I found a draft of the new book and recog-

nized I was wrong. This book is not ‘yet another’ one. The author focuses on

practical aspects rather than on technical details of the language. When I first

studied Lisp by reading an introductory book, I felt I understood the language,

but I also had the impression, ‘so what?’—meaning I had no idea about how to

use it. In contrast, this book leaps into a ‘practical’ chapter after the first few

chapters that explains the very basic notions of the language. Then the readers

are expected to learn more about the language while they are following the

‘practical’ projects, which are combined to form a product of significant size.

After reading this book, the readers will feel they are expert programmers on

Common Lisp since they have ‘finished’ a big project already. I think Lisp is the

only language that allows this type of practical introduction. Peter makes use

of this feature of the language in building up a fancy introduction to Common

Lisp.” —Taiichi Yuasa, Professor, Department of Communications and

Computer Engineering, Kyoto University

Practical Common Lisp

PETER SEIBEL

Practical Common Lisp

Lead Editor: Gary Cornell

Technical Reviewers: Mikel Evins, Steven Haflich, Barry Margolin

Editorial Board: Steve Anglin, Dan Appleman, Ewan Buckingham, Gary Cornell, Tony Davis, Jason Gilmore,

Jonathan Hassell, Chris Mills, Dominic Shakeshaft, Jim Sumser

Assistant Publisher: Grace Wong

Project Manager: Beth Christmas

Copy Edit Manager: Nicole LeClerc

Copy Editor: Kim Wimpsett

Production Manager: Kari Brooks-Copony

Production Editor: Ellie Fountain

Compositor: Susan Glinert

Proofreaders: Katie Stence, Liz Welch

Indexer: Kevin Broccoli

Cover Designer: Kurt Krames

Manufacturing Manager: Tom Debolski

Library of Congress Cataloging-in-Publication Data

Seibel, Peter.

Practical COMMON LISP / Peter Seibel.

p. cm.

Includes index.

ISBN 1-59059-239-5 (hc. : alk. paper)

1. COMMON LISP (Computer program language) I. Title.

QA76.73.L23S45 2005

005.13'3--dc22

2005005859

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For Lily, Mom, and Dad

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