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•  Table of Contents
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Learning Perl Objects, References & Modules
By Randal L. Schwartz
 
Publisher : O'Reilly
Date Published : June 2003
ISBN : 0-596-00478-8
Pages : 240


    Copyright
    Foreword
    Preface
      Structure of This Book
      Conventions Used in This Book
      Comments and Questions
      Acknowledgments
   
    Chapter 1.  Introduction
      Section 1.1.  What Should You Know Already?
      Section 1.2.  What About All Those Footnotes?
      Section 1.3.  What's with the Exercises?
      Section 1.4.  What if I'm a Perl Course Instructor?
   
    Chapter 2.  Building Larger Programs
      Section 2.1.  The Cure for the Common Code
      Section 2.2.  Inserting Code with eval
      Section 2.3.  Using do
      Section 2.4.  Using require
      Section 2.5.  require and @INC
      Section 2.6.  The Problem of Namespace Collisions
      Section 2.7.  Packages as Namespace Separators
      Section 2.8.  Scope of a Package Directive
      Section 2.9.  Packages and Lexicals
      Section 2.10.  Exercises
   
    Chapter 3.  Introduction to References
      Section 3.1.  Performing the Same Task on Many Arrays
      Section 3.2.  Taking a Reference to an Array
      Section 3.3.  Dereferencing the Array Reference
      Section 3.4.  Dropping Those Braces
      Section 3.5.  Modifying the Array
      Section 3.6.  Nested Data Structures
      Section 3.7.  Simplifying Nested Element References with Arrows
      Section 3.8.  References to Hashes
      Section 3.9.  Exercises
   
    Chapter 4.  References and Scoping
      Section 4.1.  More than One Reference to Data
      Section 4.2.  What if That Was the Name?
      Section 4.3.  Reference Counting and Nested Data Structures
      Section 4.4.  When Reference Counting Goes Bad
      Section 4.5.  Creating an Anonymous Array Directly
      Section 4.6.  Creating an Anonymous Hash
      Section 4.7.  Autovivification
      Section 4.8.  Autovivification and Hashes
      Section 4.9.  Exercises
   
    Chapter 5.  Manipulating Complex Data Structures
      Section 5.1.  Using the Debugger to View Complex Data
      Section 5.2.  Viewing Complex Data with Data::Dumper
      Section 5.3.  Storing Complex Data with Storable
      Section 5.4.  The map and grep Operators
      Section 5.5.  Using map
      Section 5.6.  Applying a Bit of Indirection
      Section 5.7.  Selecting and Altering Complex Data
      Section 5.8.  Exercises
   
    Chapter 6.  Subroutine References
      Section 6.1.  Referencing a Named Subroutine
      Section 6.2.  Anonymous Subroutines
      Section 6.3.  Callbacks
      Section 6.4.  Closures
      Section 6.5.  Returning a Subroutine from a Subroutine
      Section 6.6.  Closure Variables as Inputs
      Section 6.7.  Closure Variables as Static Local Variables
      Section 6.8.  Exercise
   
    Chapter 7.  Practical Reference Tricks
      Section 7.1.  Review of Sorting
      Section 7.2.  Sorting with Indices
      Section 7.3.  Sorting Efficiently
      Section 7.4.  The Schwartzian Transform
      Section 7.5.  Recursively Defined Data
      Section 7.6.  Building Recursively Defined Data
      Section 7.7.  Displaying Recursively Defined Data
      Section 7.8.  Exercises
   
    Chapter 8.  Introduction to Objects
      Section 8.1.  If We Could Talk to the Animals...
      Section 8.2.  Introducing the Method Invocation Arrow
      Section 8.3.  The Extra Parameter of Method Invocation
      Section 8.4.  Calling a Second Method to Simplify Things
      Section 8.5.  A Few Notes About @ISA
      Section 8.6.  Overriding the Methods
      Section 8.7.  Starting the Search from a Different Place
      Section 8.8.  The SUPER Way of Doing Things
      Section 8.9.  What to Do with @_
      Section 8.10.  Where We Are So Far...
      Section 8.11.  Exercises
   
    Chapter 9.  Objects with Data
      Section 9.1.  A Horse Is a Horse, of Course of Course—or Is It?
      Section 9.2.  Invoking an Instance Method
      Section 9.3.  Accessing the Instance Data
      Section 9.4.  How to Build a Horse
      Section 9.5.  Inheriting the Constructor
      Section 9.6.  Making a Method Work with Either Classes or Instances
      Section 9.7.  Adding Parameters to a Method
      Section 9.8.  More Interesting Instances
      Section 9.9.  A Horse of a Different Color
      Section 9.10.  Getting Your Deposit Back
      Section 9.11.  Don't Look Inside the Box
      Section 9.12.  Faster Getters and Setters
      Section 9.13.  Getters That Double as Setters
      Section 9.14.  Restricting a Method to Class-Only or Instance-Only
      Section 9.15.  Exercise
   
    Chapter 10.  Object Destruction
      Section 10.1.  Nested Object Destruction
      Section 10.2.  Beating a Dead Horse
      Section 10.3.  Indirect Object Notation
      Section 10.4.  Additional Instance Variables in Subclasses
      Section 10.5.  Using Class Variables
      Section 10.6.  Weakening the Argument
      Section 10.7.  Exercise
   
    Chapter 11.  Some Advanced Object Topics
      Section 11.1.  UNIVERSAL Methods
      Section 11.2.  Testing Your Objects for Good Behavior
      Section 11.3.  AUTOLOAD as a Last Resort
      Section 11.4.  Using AUTOLOAD for Accessors
      Section 11.5.  Creating Getters and Setters More Easily
      Section 11.6.  Multiple Inheritance
      Section 11.7.  References to Filehandles
      Section 11.8.  Exercise
   
    Chapter 12.  Using Modules
      Section 12.1.  Sample Function-Oriented Interface: File::Basename
      Section 12.2.  Selecting What to Import
      Section 12.3.  Sample Object-Oriented Interface: File::Spec
      Section 12.4.  A More Typical Object-Oriented Module: Math::BigInt
      Section 12.5.  The Differences Between OO and Non-OO Modules
      Section 12.6.  What use Is Doing
      Section 12.7.  Setting the Path at the Right Time
      Section 12.8.  Importing with Exporter
      Section 12.9.  @EXPORT and @EXPORT_OK
      Section 12.10.  Exporting in a Primarily OO Module
      Section 12.11.  Custom Import Routines
      Section 12.12.  Exercise
   
    Chapter 13.  Writing a Distribution
      Section 13.1.  Starting with h2xs
      Section 13.2.  Looking at the Templates
      Section 13.3.  The Prototype Module Itself
      Section 13.4.  Embedded Documentation
      Section 13.5.  Controlling the Distribution with Makefile.PL
      Section 13.6.  Alternate Installation Locations (PREFIX=...)
      Section 13.7.  Trivial make test
      Section 13.8.  Trivial make install
      Section 13.9.  Trivial make dist
      Section 13.10.  Using the Alternate Library Location
      Section 13.11.  Exercise
   
    Chapter 14.  Essential Testing
      Section 14.1.  What the Test Harness Does
      Section 14.2.  Writing Tests with Test::Simple
      Section 14.3.  Writing Tests with Test::More
      Section 14.4.  Conditional Tests
      Section 14.5.  More Complex Tests (Multiple Test Scripts)
      Section 14.6.  Testing Things That Write to STDOUT and STDERR
      Section 14.7.  Exercise
   
    Chapter 15.  Contributing to CPAN
      Section 15.1.  The Comprehensive Perl Archive Network
      Section 15.2.  Getting Prepared
      Section 15.3.  Preparing Your Distribution
      Section 15.4.  Uploading Your Distribution
      Section 15.5.  Announcing the Module
      Section 15.6.  Testing on Multiple Platforms
      Section 15.7.  Consider Writing an Article or Giving a Talk
      Section 15.8.  Exercise
   
    Appendix A.  Answers to Exercises
      Section A.1.  Answers for Chapter 2
      Section A.2.  Answers for Chapter 3
      Section A.3.  Answers for Chapter 4
      Section A.4.  Answers for Chapter 5
      Section A.5.  Answer for Chapter 6
      Section A.6.  Answers for Chapter 7
      Section A.7.  Answers for Chapter 8
      Section A.8.  Answer for Chapter 9
      Section A.9.  Answer for Chapter 10
      Section A.10.  Answer for Chapter 11
      Section A.11.  Answer for Chapter 12
      Section A.12.  Answers for Chapters 13-15
   
    Colophon
    Index
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