Perl 6 Quick Syntax Reference: A Pocket Guide to the Language, the Core Modules, and the Community

by J.J. Merelo

Overview

This condensed code and syntax reference book presents the Raku (formerly known as Perl 6) scripting language in a well-organized format designed to be used time and again. It contains an easy-to-read and use guide to Raku for software application development.

Using this book will give you a feel for the language, as well as an introduction to the different features (such as object-oriented programming) that make Raku such a unique language. You won’t find any technical jargon, bloated samples, drawn out history lessons, or witty stories in this book. Perl 6 Quick Syntax Reference is packed with useful information and is a must-have for any developer new to Raku.

What You Will Learn

• Use Raku expressions and operators
• Work with Raku data access and persistent data
• Process complex data structures available in Raku
• Work with functions, modules, and more
• Use Raku classes, roles, and traits
• Take advantage of regular expressions and grammars using Raku
• Use the Unicode standard to its full extent in your scripts

Who This Book Is For

Those new to Raku who have at least some programming experience in any scripting language.

Product Details

ISBN-13:	9781484249550
Publisher:	Apress
Publication date:	10/03/2019
Edition description:	First Edition
Pages:	263
Product dimensions:	6.10(w) x 9.25(h) x (d)

About the Author

J.J. Merelo is a professor at the university of Granada, where he has been teaching since 1988. He has been using Perl since 1994, and Raku/Perl 6 intensively since December 2016. He trains, teaches and consults on Perl and Raku projects.

Table of Contents

1. Running Perl 6

1. In your computer

2. Online

3. Command-line options

2. Getting help

1. IRC channel and other online communities

2. Local community, conferences, workshops, company formation.

3. Literal expressions

4. Expressions and operators

1. Arithmetic.

2. Logic.

5. Building up data: types of data

1. Code

2. Lists and arrays.

3. Hashes and Maps.

4. Sets, bags, mixes.

5. Other data structures.

6. Processing complex data structures

1. Functional programming with Perl 6

2. Loops and when to use them.

3. Decisions

7. Storing data: containers

1. Where a container resides.

2. Contexts.

3. Mutability and immutability.

4. Constants.

5. Itemization and vivification.

6. Assignment and binding.

8. Defining functions

1. Callables and Blocks

2. Signatures and Captures: calling function and return types.

3. Multiple schedule in functions.

4. Terms and operators.

9. Roles and classes

1. Giving roles, using roles, mixing in roles.

2. Creating your own roles; methods and attributes

3. How classes and objects are created in Perl 6.

4. Inheritance in Perl 6 and how it differs from roles.

10. Modules

1. Using them: standard modules

2. Downloading them: the Perl 6 Ecosystem.

11. Errors and how to work with them.

1. Failures and exceptions.

2. Capturing them, dealing with them.

12. Testing your programs.

1. Standard testing modules.

2. Testing best practices.

13. Interacting with the system

1. Running external programs.

2. Input and output

14. Building up a project.

1. Classic project layout and project conventions.

2. Parts of a project, and how to build, test and release it.

15. Grammars and regular expressions.

1. Processing text using regular expressions.

2. Building up text processors using grammars.