Free Programming Books

5 Excellent Free Books to Learn Raku

Raku is a member of the Perl family of programming languages. Formerly known as Perl 6, it was renamed in October 2019. Raku introduces elements of many modern and historical languages. Compatibility with Perl was not a goal, though a compatibility mode is part of the specification.

Raku offers many features such as:

  • Object-oriented programming including generics, roles and multiple dispatch;
  • Functional programming primitives, lazy and eager list evaluation, junctions, autothreading and
  • hyperoperators (vector operators);
  • Parallelism, concurrency, and asynchrony including multi-core support;
  • Definable grammars for pattern matching and generalized string processing;
  • Optional and gradual typing.

Raku is multi-paradigmatic. It supports Procedural, Object Oriented, and Functional programming.

Read more about Perl in our compilation of the best free books for Perl.

1. Raku Guide by Naoum Hankache

Raku Guide

This document is intended to give you a quick overview of the Raku programming language. For those new to Raku, it should get you up and running.

This guide covers operators, variables, functions and mutators. Later chapters cover loops and conditions, I/O, subroutines, functional programming, classes & objects, and exception handling. The guide finishes with chapters on regular expressions, Raku modules, Unicode, parallelism, concurrency and asynchrony, and native calling interface.

This work is licensed under the Creative Commons Attribution-ShareAlike 4.0 International License.

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2. Raku One-Liners by Andrew Shitov

Raku - One-Liners RakuOne-Liners: Getting the most of Raku’s expressive syntax for your daily routines introduces the reader to many short programs, so short that they can be written in a single line of code.

The seven chapters will guide you through Raku’s syntax elements that help to create short, expressive, but still useful programs.

It is assumed that the reader knows the basics of the Raku programming language and understands programming in general.

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3. Think Raku: How to Think Like a Computer Scientist by Laurent Rosenfeld, with Allen B. Downey

Think Perl 6Think Raku is an introduction to computer science and programming intended for people with little or no experience.

This aim of this book is not primarily to teach Raku, but instead to teach the art of programming, using the Raku language. After having  completed this book, you should hopefully be able  to write programs to solve relatively difficult problems in Raku, but the author’s main aim is to teach computer science, software programming, and problem solving rather than solely to teach the Raku language itself.

Think Raku is a free book available under a Creative Commons license.

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Next page: Page 2 – Perl 6 at a Glance and more

Pages in this article:
Page 1 – Raku Guide and more
Page 2 – Perl 6 at a Glance and more

All books in this series:

Free Programming Books
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PHPPHP has been at the helm of the web for many years
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SwiftPowerful and intuitive general-purpose programming language
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PerlHigh-level, general-purpose, interpreted, scripting, dynamic language
RDe facto standard among statisticians and data analysts
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ScalaModern, object-functional, multi-paradigm, Java-based language
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RustIdeal for systems, embedded, and other performance critical code
LispUnique features - excellent to study programming constructs
AdaALGOL-like programming language, extended from Pascal and other languages
HaskellStandardized, general-purpose, polymorphically, statically typed language
SchemeA general-purpose, functional language descended from Lisp and Algol
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JuliaHigh-level, high-performance language for technical computing
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TclDynamic language based on concepts of Lisp, C, and Unix shells
FactorDynamic stack-based programming language
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AgdaDependently typed functional language based on intuitionistic Type Theory
IconWide variety of features for processing and presenting symbolic data
XMLRules for defining semantic tags describing structure ad meaning
ValaObject-oriented language, syntactically similar to C#
Standard MLGeneral-purpose functional language characterized as "Lisp with types"
DGeneral-purpose systems programming language with a C-like syntax
DartClient-optimized language for fast apps on multiple platforms
MarkdownPlain text formatting syntax designed to be easy-to-read and easy-to-write
KotlinMore modern version of Java
Objective-CObject-oriented language that adds Smalltalk-style messaging to C
PureScriptSmall strongly, statically typed language compiling to JavaScript
ClojureScriptCompiler for Clojure that targets JavaScript
VHDLHardware description language used in electronic design automation
JArray programming language based primarily on APL
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PostScriptInterpreted, stack-based and Turing complete language
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