Learning Perl Objects, References, and Modules

Spis treści książki

• Learning Perl Objects, References & Modules
• A Note Regarding Supplemental Files
• Foreword
• Preface
  • Structure of This Book
  • Conventions Used in This Book
  • Comments and Questions
  • Acknowledgments
• 1. Introduction
  • What Should You Know Already?
  • What About All Those Footnotes?
  • Whats with the Exercises?
  • What if Im a Perl Course Instructor?
• 2. Building Larger Programs
  • The Cure for the Common Code
  • Inserting Code with eval
  • Using do
  • Using require
  • require and @INC
    • Extending @INC
    • Extending @INC with PERL5LIB
    • Extending @INC with -I
  • The Problem of Namespace Collisions
  • Packages as Namespace Separators
  • Scope of a Package Directive
  • Packages and Lexicals
  • Exercises
    • Exercise 1 [30 min]
    • Exercise 2 [10 min]
• 3. Introduction to References
  • Performing the Same Task on Many Arrays
  • Taking a Reference to an Array
  • Dereferencing the Array Reference
  • Dropping Those Braces
  • Modifying the Array
  • Nested Data Structures
  • Simplifying Nested Element References with Arrows
  • References to Hashes
  • Exercises
    • Exercise 1 [5 min]
    • Exercise 2 [30 min]
• 4. References and Scoping
  • More than One Reference to Data
  • What if That Was the Name?
  • Reference Counting and Nested Data Structures
  • When Reference Counting Goes Bad
  • Creating an Anonymous Array Directly
  • Creating an Anonymous Hash
  • Autovivification
  • Autovivification and Hashes
  • Exercises
    • Exercise 1 [5 min]
    • Exercise 2 [30 min]
• 5. Manipulating Complex Data Structures
  • Using the Debugger to View Complex Data
  • Viewing Complex Data with Data::Dumper
  • Storing Complex Data with Storable
  • The map and grep Operators
  • Using map
  • Applying a Bit of Indirection
  • Selecting and Altering Complex Data
  • Exercises
    • Exercise 1 [20 min]
    • Exercise 2 [5 min]
• 6. Subroutine References
  • Referencing a Named Subroutine
  • Anonymous Subroutines
  • Callbacks
  • Closures
  • Returning a Subroutine from a Subroutine
  • Closure Variables as Inputs
  • Closure Variables as Static Local Variables
  • Exercise
    • Exercise [30 min]
• 7. Practical Reference Tricks
  • Review of Sorting
  • Sorting with Indices
  • Sorting Efficiently
  • The Schwartzian Transform
  • Recursively Defined Data
  • Building Recursively Defined Data
  • Displaying Recursively Defined Data
  • Exercises
    • Exercise 1 [15 min]
    • Exercise 2 [15 min]
    • Exercise 3 [10 min]
    • Exercise 4 [20 min]
• 8. Introduction to Objects
  • If We Could Talk to the Animals...
  • Introducing the Method Invocation Arrow
  • The Extra Parameter of Method Invocation
  • Calling a Second Method to Simplify Things
  • A Few Notes About @ISA
  • Overriding the Methods
  • Starting the Search from a Different Place
  • The SUPER Way of Doing Things
  • What to Do with @_
  • Where We Are So Far...
  • Exercises
    • Exercise 1 [20 min]
    • Exercise 2 [40 min]
• 9. Objects with Data
  • A Horse Is a Horse, of Course of Courseor Is It?
  • Invoking an Instance Method
  • Accessing the Instance Data
  • How to Build a Horse
  • Inheriting the Constructor
  • Making a Method Work with Either Classes or Instances
  • Adding Parameters to a Method
  • More Interesting Instances
  • A Horse of a Different Color
  • Getting Your Deposit Back
  • Dont Look Inside the Box
  • Faster Getters and Setters
  • Getters That Double as Setters
  • Restricting a Method to Class-Only or Instance-Only
  • Exercise
    • Exercise [45 min]
• 10. Object Destruction
  • Nested Object Destruction
  • Beating a Dead Horse
  • Indirect Object Notation
  • Additional Instance Variables in Subclasses
  • Using Class Variables
  • Weakening the Argument
  • Exercise
    • Exercise [45 min]
• 11. Some Advanced Object Topics
  • UNIVERSAL Methods
  • Testing Your Objects for Good Behavior
  • AUTOLOAD as a Last Resort
  • Using AUTOLOAD for Accessors
  • Creating Getters and Setters More Easily
  • Multiple Inheritance
  • References to Filehandles
  • Exercise
    • Exercise [30 min]
• 12. Using Modules
  • Sample Function-Oriented Interface: File::Basename
  • Selecting What to Import
  • Sample Object-Oriented Interface: File::Spec
  • A More Typical Object-Oriented Module: Math::BigInt
  • The Differences Between OO and Non-OO Modules
  • What use Is Doing
  • Setting the Path at the Right Time
  • Importing with Exporter
  • @EXPORT and @EXPORT_OK
  • Exporting in a Primarily OO Module
  • Custom Import Routines
  • Exercise
    • Exercise [15 min]
• 13. Writing a Distribution
  • Starting with h2xs
  • Looking at the Templates
  • The Prototype Module Itself
  • Embedded Documentation
  • Controlling the Distribution with Makefile.PL
  • Alternate Installation Locations (PREFIX=...)
  • Trivial make test
  • Trivial make install
  • Trivial make dist
  • Using the Alternate Library Location
  • Exercise
    • Exercise [30 min]
• 14. Essential Testing
  • What the Test Harness Does
  • Writing Tests with Test::Simple
  • Writing Tests with Test::More
  • Conditional Tests
  • More Complex Tests (Multiple Test Scripts)
  • Testing Things That Write to STDOUT and STDERR
  • Exercise
    • Exercise [60 min]
• 15. Contributing to CPAN
  • The Comprehensive Perl Archive Network
  • Getting Prepared
  • Preparing Your Distribution
  • Uploading Your Distribution
  • Announcing the Module
  • Testing on Multiple Platforms
  • Consider Writing an Article or Giving a Talk
  • Exercise
    • Exercise
• A. Answers to Exercises
  • Answers for Chapter 2
    • Exercise 1 (Exercise 1 [30 min])
    • Exercise 2 (Exercise 2 [10 min])
  • Answers for Chapter 3
    • Exercise 1 (Exercise 1 [5 min])
    • Exercise 2 (Exercise 2 [30 min])
  • Answers for Chapter 4
    • Exercise 1 (Exercise 1 [5 min])
    • Exercise 2 (Exercise 2 [30 min])
  • Answers for Chapter 5
    • Exercise 1 (Exercise 1 [20 min])
    • Exercise 2 (Exercise 2 [5 min])
  • Answer for Chapter 6
    • Exercise (Exercise [30 min])
  • Answers for Chapter 7
    • Exercise 1 (Exercise 1 [15 min])
    • Exercise 2 (Exercise 2 [15 min])
    • Exercise 3 (Exercise 3 [10 min])
    • Exercise 4 (Exercise 4 [20 min])
  • Answers for Chapter 8
    • Exercise 1 (Exercise 1 [20 min])
    • Exercise 2 (Exercise 2 [40 min])
  • Answer for Chapter 9
    • Exercise (Exercise [45 min])
  • Answer for Chapter 10
    • Exercise (Exercise [45 min])
  • Answer for Chapter 11
    • Exercise (Exercise [30 min])
  • Answer for Chapter 12
    • Exercise (Exercise [15 min])
  • Answers for Chapters 13-15
• Index
• About the Authors
• Colophon
• Copyright

pokaż cały spis treści

ukryj recenzje