9780201615623

Exceptional C++ 47 Engineering Puzzles, Programming Problems, and Solutions

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  • ISBN13:

    9780201615623

  • ISBN10:

    0201615622

  • Edition: 1st
  • Format: Paperback
  • Copyright: 1999-11-18
  • Publisher: Addison-Wesley Professional
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Supplemental Materials

What is included with this book?

  • The New copy of this book will include any supplemental materials advertised. Please check the title of the book to determine if it should include any access cards, study guides, lab manuals, CDs, etc.

Summary

Exceptional C++ shows by example how to go about solid software engineering. Along with a lot of other material, this book includes expanded versions of the first 30 issues of the popular Internet C++ feature Guru of the Week (or, in its short form, GotW), a series of self-contained C++ engineering problems and solutions that illustrate specific design and coding techniques.

This book isn't a random grab-bag of code puzzles; it's primarily a guide to sound real-world enterprise software design in C++. It uses a problem/solution format because that's the most effective way I know to involve you, gentle reader, in the ideas behind the problems and the reasons behind the guidelines. Although the Items cover a variety of topics, you'll notice recurring themes that focus on enterprise development issues, particularly exception safety, sound class and module design, appropriate optimization, and writing portable standards-conforming code.

I hope you find this material useful in your daily work. But I also hope you find at least a few nifty thoughts and elegant techniques, and that from time to time, as you're reading through these pages, you'll suddenly have an "Aha! Gnarly!" moment. After all, who says software engineering has to be dull?

How to Read This Book

I expect that you already know the basics of C++. If you don't, start with a good C++ introduction and overview (good choices are a classic tome like Bjarne Stroustrup's The C++ Programming Language, Third Edition 1 or Stan Lippman and JosEe Lajoie's C++ Primer, Third Edition 2 ), and then be sure to pick up a style guide like Scott Meyers' classic Effective C++ books (I find the browser-based CD version convenient and useful). 3

Each item in this book is presented as a puzzle or problem, with an introductory header that looks like this:

ITEM ##: THE TOPIC OF THIS PUZZLE DIFFICULTY: X
 

The topic tag and difficulty rating (typically anything from 3 to 9-1/2, based on a scale of 10) gives you a hint of what you're in for. Note that the difficulty rating is my own subjective guess at how difficult I expect most people will find each problem, so you may well find that a given 7 problem is easier for you than another 5 problem. Still, it's better to be prepared for the worst when you see a 9-1/2 monster coming down the pike.

You don't have to read the sections and problems in order, but in several places there are "miniseries" of related problems that you'll see designated as "Part 1," "Part 2," and so onosome all the way up to "Part 10." Those miniseries are best read as a group.

How We Got Here: GotW and PeerDirect

The C++ Guru of the Week series has come a long way. GotW was originally created late in 1996 to provide interesting challenges and ongoing education for our own development team here at PeerDirect. I wrote it to provide an entertaining learning tool, including rants on things like the proper use of inheritance and exception safety. As time went on, I also used it as a means to provide our team with visibility to the changes being made at the C++ standards meetings. Since then, GotW has been made available to the general C++ public as a regular feature of the Internet newsgroup comp.lang.c++.moderated, where you can find each new issue's questions and answers (and a lot of interesting discussion).

Using C++ well is important at PeerDirect for many of the same reasons it's important in your company, if perhaps to achieve different goals. We happen to build systems softwareo for distributed databases and database replicationoin which enterprise issues such as reliability, safety, portability, efficiency, and many others are make-or-break concerns. The software we write needs to be able to be ported across various compilers and operating systems; it needs to be safe and robust in the presence of database transaction deadlocks and communications interruptions and programming exceptions; and it's used by customers to manage tiny databases sitting inside smart cards and pop machines or on PalmOS and WinCE devices, through to departmental Windows NT and Linux and Solaris servers, through to massively parallel Oracle back-ends for Web servers and data warehouseso with the same software, the same reliability, the same code. Now that's a portability and reliability challenge, as we creep up on half a million tight, noncomment lines of code.

To those of you who have been reading Guru of the Week on the Internet for the past few years, I have a couple of things to say:

  • Thank you for your interest, support, e-mails, kudos, corrections, comments, criticisms, questionsoand especially for your requests for the GotW series to be assembled in book form. Here it is; I hope you enjoy it.
  • This book contains a lot more than you ever saw on the Internet.

Exceptional C++ is not just a cut-and-paste of stale GotW issues that are already floating out there somewhere in cyberspace. All the problems and solutions have been considerably revised and reworkedofor example, Items 8 through 17 on exception safety originally appeared as a single GotW puzzle and have now become an in-depth, 10-part miniseries. Each problem and solution has been examined to bring it up to date with the then-changing, and now official, C++ standard.

So, if you've been a regular reader of GotW before, there's a lot that's new here for you. To all faithful readers, thanks again, and I hope this material will help you continue to hone and expand your software engineering and C++ programming skills.

Herb Sutter
June 1999

1. Stroustrup B. The C++ Programming Language, Third Edition (Addison Wesley Longman, 1997).
2. Lippman S. and Lajoie J. C++ Primer, Third Edition (Addison Wesley Longman, 1998).
3. Meyers S. Effective C++ CD: 85 Specific Ways to Improve Your Programs and Designs (Addison Wesley Longman, 1999). An online demo is available at http://www.meyerscd.awl.com.


0201615622P04062001

Author Biography

Herb Sutter is Chief Technology Officer at PeerDirect Inc.

Table of Contents

Foreword
Preface
Generic Programming and the C++ Standard Libraryp. 1
Exception-Safety Issues and Techniquesp. 25
Class Design and Inheritancep. 69
Compiler Firewalls and the Pimpl Idiomp. 99
Name Lookup, Namespaces, and the Interface Principlep. 119
Memory Managementp. 141
Traps, Pitfalls, and Anti-Idiomsp. 159
Miscellaneous Topicsp. 173
Afterwordp. 201
Bibliographyp. 203
Indexp. 205
Table of Contents provided by Blackwell. All Rights Reserved.

Excerpts

Exceptional C++shows by example how to go about solid software engineering. Along with a lot of other material, this book includes expanded versions of the first 30 issues of the popular Internet C++ featureGuru of the Week(or, in its short form,GotW), a series of self-contained C++ engineering problems and solutions that illustrate specific design and coding techniques. This book isn't a random grab-bag of code puzzles; it's primarily a guide to sound real-world enterprise software design in C++. It uses a problem/solution format because that's the most effective way I know to involve you, gentle reader, in the ideas behind the problems and the reasons behind the guidelines. Although the Items cover a variety of topics, you'll notice recurring themes that focus on enterprise development issues, particularly exception safety, sound class and module design, appropriate optimization, and writing portable standards-conforming code. I hope you find this material useful in your daily work. But I also hope you find at least a few nifty thoughts and elegant techniques, and that from time to time, as you're reading through these pages, you'll suddenly have an "Aha! Gnarly!" moment. After all, who says software engineering has to be dull? How to Read This Book I expect that you already know the basics of C++. If you don't, start with a good C++ introduction and overview (good choices are a classic tome like Bjarne Stroustrup'sThe C++ Programming Language, Third Edition 1 or Stan Lippman and JosEe Lajoie'sC++ Primer, Third Edition 2 ), and then be sure to pick up a style guide like Scott Meyers' classicEffective C++books (I find the browser-based CD version convenient and useful). 3 Each item in this book is presented as a puzzle or problem, with an introductory header that looks like this: ITEM ##: THE TOPIC OF THIS PUZZLE DIFFICULTY: X The topic tag and difficulty rating (typically anything from 3 to 9-1/2, based on a scale of 10) gives you a hint of what you're in for. Note that the difficulty rating is my own subjective guess at how difficult I expect most people will find each problem, so you may well find that a given 7 problem is easier for you than another 5 problem. Still, it's better to be prepared for the worst when you see a 9-1/2 monster coming down the pike. You don't have to read the sections and problems in order, but in several places there are "miniseries" of related problems that you'll see designated as "Part 1," "Part 2," and so onosome all the way up to "Part 10." Those miniseries are best read as a group. How We Got Here:GotWand PeerDirect The C++Guru of the Weekseries has come a long way.GotWwas originally created late in 1996 to provide interesting challenges and ongoing education for our own development team here at PeerDirect. I wrote it to provide an entertaining learning tool, including rants on things like the proper use of inheritance and exception safety. As time went on, I also used it as a means to provide our team with visibility to the changes being made at the C++ standards meetings. Since then,GotWhas been made available to the general C++ public as a regular feature of the Internet newsgroupcomp.lang.c++.moderated, where you can find each new issue's questions and answers (and a lot of interesting discussion). Using C++ well is important at PeerDirect for many of the same reasons it's important in your company, if perhaps to achieve different goals. We happen to build systems softwareo for distribu

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