Perl Cookbook, Second Edition > Subroutines > Passing by Named Parameter

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Perl Cookbook, Second Edition

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Ch. 3. Dates and Times

Ch. 4. Arrays

Ch. 5. Hashes

Ch. 6. Pattern Matching

Recipe 10.1. Accessing Subroutine Arguments

Recipe 10.2. Making Variables Private to a Function

Recipe 10.3. Creating Persistent Private Variables

Recipe 10.4. Determining Current Function Name

Recipe 10.5. Passing Arrays and Hashes by Reference

Recipe 10.6. Detecting Return Context

Recipe 10.7. Passing by Named Parameter

Recipe 10.8. Skipping Selected Return Values

Recipe 10.9. Returning More Than One Array or Hash

Recipe 10.10. Returning Failure

Recipe 10.11. Prototyping Functions

Recipe 10.12. Handling Exceptions

Recipe 10.13. Saving Global Values

Recipe 10.14. Redefining a Function

Recipe 10.15. Trapping Undefined Function Calls with AUTOLOAD

Recipe 10.16. Nesting Subroutines

Recipe 10.17. Writing a Switch Statement

Recipe 10.18. Program: Sorting Your Mail

Ch. 11. References and Records

Ch. 12. Packages, Libraries, and Modules

Ch. 13. Classes, Objects, and Ties

Ch. 14. Database Access

Ch. 15. Interactivity

Ch. 16. Process Management and Communication

Ch. 17. Sockets

Ch. 18. Internet Services

Ch. 19. CGI Programming

Ch. 20. Web Automation

Recipe 10.7. Passing by Named Parameter

10.7.1. Problem

You want to make a function with many parameters that are easy to call so that programmers remember what the arguments do, rather than having to memorize their order.

10.7.2. Solution

Name each parameter in the call:

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Contents

Chapter 10. Subroutines > Passing by Named Parameter

Recipe 10.7. Passing by Named Parameter

10.7.1. Problem

10.7.2. Solution