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Perl 6 Deep Dive

You're reading from   Perl 6 Deep Dive Data manipulation, concurrency, functional programming, and more

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Product type Paperback
Published in Sep 2017
Publisher Packt
ISBN-13 9781787282049
Length 402 pages
Edition 1st Edition
Languages
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Author (1):
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Andrew Shitov Andrew Shitov
Author Profile Icon Andrew Shitov
Andrew Shitov
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Toc

Table of Contents (15) Chapters Close

1. What is Perl 6? FREE CHAPTER 2. Writing Code 3. Working with Variables and Built-in Data Types 4. Working with Operators 5. Control Flow 6. Subroutines 7. Modules 8. Object-Oriented Programming 9. Input and Output 10. Working with Exceptions 11. Regexes 12. Grammars 13. Concurrent Programming 14. Functional Programming 15. Reactive Programming

Comments

In Chapter 1, What is Perl 6?, we've seen two ways of writing programs—by passing it in the -e command-line option or by saving it in a file. Of course, all big programs are stored in files. In this section, we will see how Perl 6 helps the programmer to organize the code better by adding comments.

Comments are parts of the source code, which are ignored by the compiler. Comments are intended to give additional information about the program itself. Good examples of comments are explanations of the algorithms used, or the purpose of variables, or a description of the input arguments of a function.

Perl 6 offers two ways of saving additional human-oriented information in the source code by using comments and the so-called Pod. First, we will examine the comments.

Comments are fragments of source code that a compiler does not consider as direct instructions for...

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