Beginning Raku, A Two Day Course

This book is written as a companion textbook and reference for my 2 day course «Beginning Raku».See http://course.perl6.eu/beginning for details. Beginning Raku Table of Contents Introduction The Little Print Contributions Reading Tips Content Chapter 1. About Raku 1.1. Rakudo 1.2. Running Raku in the browser 1.3. REPL 1.4. One Liners 1.5. Running Programs 1.6. Error messages 1.7. use v6 1.8. Documentation 1.9. More Information 1.10. Speed Chapter 2. Variables, Operators, Values and Procedures. 2.1. Output with say and print 2.2. Variables 2.3. Comments 2.4. Non-destructive operators 2.5. Numerical Operators 2.6. Operator Precedence 2.7. Values 2.8. Variable Names 2.9. constant 2.10. Sigilless variables 2.11. True and False 2.12. // Chapter 3. The Type System 3.1. Strong Typing 3.2. ^mro (Method Resolution Order) 3.3. Everything is an Object 3.4. Special Values 3.5. :D (Defined Adverb) 3.6. Type Coercion 3.7. Comparison Operators 3.8. but (True and False, but ...​) Chapter 4. Control Flow 4.1. Blocks 4.2. Ranges (A Short Introduction) 4.3. loop 4.4. for 4.5. Infinite Loops 4.6. while 4.7. until 4.8. repeat while 4.9. repeat until 4.10. Loop Summary 4.11. if 4.12. given 4.13. with 4.14. ?? !! 4.15. do 4.16. when 4.17. Loop Manipulation Chapter 5. Numbers 5.1. Octal, Hex, Binary ...​ 5.2. Unicode Numbers 5.3. Not a Number 5.4. N_U_M_B_E_R_S 5.5. Floating Point Numbers 5.6. Rational Numbers 5.7. narrow 5.8. sign 5.9. Rounding 5.10. NaN (Not a Number) 5.11. =~= 5.12. is-prime (Prime Numbers) 5.13. Modulo and variants 5.14. Other Operators Chapter 6. Basic Input and Output 6.1. Newlines 6.2. Stringification 6.3. Output 6.4. Stringifying Numbers 6.5. printf 6.6. Input from the user Chapter 7. Strings 7.1. Unicode 7.2. join 7.3. split 7.4. words 7.5. comb 7.6. flip 7.7. substr (Partial Strings) 7.8. Changing Case 7.9. x (String Repetition Operator) 7.10. succ 7.11. pred 7.12. Quoting 7.13. Multi-line Strings (Heredocs) Chapter 8. Arrays and Lists 8.1. , (List Operator) 8.2. (Quote Words) 8.3. [ ] (Array Constructor) 8.4. < > (Quote Words with interpolation) 8.5. Empty 8.6. List Elements 8.7. pop / push / shift / unshift 8.8. rotate (List Rotation) 8.9. List of Lists 8.10. Flattening Lists 8.11. Array Slice 8.12. splice 8.13. map 8.14. sort 8.15. reverse 8.16. Array with Limits 8.17. Typed Array 8.18. Shaped Array 8.19. unique (Lists Without Duplicates) 8.20. xx (List Repetition Operator) 8.21. List Selection 8.22. min / max 8.23. Random Values 8.24. permutations 8.25. combinations 8.26. but (Array) 8.27. Bringing it all together Chapter 9. Pair and Hashes 9.1. Pair 9.2. Hashes 9.3. Hash Constructor { } 9.4. Hash Assignment and Values 9.5. keys 9.6. values 9.7. kv (keys + values) 9.8. Typed Hash 9.9. Shaped Hash 9.10. invert 9.11. antipairs 9.12. Hash Slices 9.13. Hash Lookup 9.14. Hash Deletion 9.15. Hash Duplicate Values 9.16. Hash Usage 9.17. Grep and Smartmatch 9.18. Hash (method) 9.19. but (Hashes) Chapter 10. Procedures 10.1. Procedures Without Arguments 10.2. Procedures With Arguments 10.3. @_ 10.4. Placeholder Variables 10.5. Procedures as variables 10.6. Type Constraints 10.7. return 10.8. @*ARGS 10.9. MAIN 10.10. WHY 10.11. IntStr Gotcha 10.12. Multiple Dispatch 10.13. Procedure Arguments 10.14. * (Slurpy Operator) 10.15. Blocks Revisited 10.16. Calling a procedure specified in a variable 10.17. Procedures in Procedures Chapter 11. Regex Intro 11.1. What is a Regex? 11.2. Making a Regex 11.3. ~~ (Smartmatch Operator) 11.4. Partial Strings 11.5. Beginning or end of a string 11.6. Regex Metacharacters 11.7. $/ (Match Object) 11.8. Special Characters 11.9. Capturing and Grouping 11.10. Character Classes 11.11. Custom Character Classes 11.12. Non-greedy 11.13. Backwards References 11.14. Using a Regex 11.15. String Substitution 11.16. Adverbs 11.17. Transliteration 11.18. trim / trim-leading / trim-trailing 11.19. split and grep 11.20. Comments Chapter 12. Modules 12.1. Precompilation 12.2. Module Administration with zef 12.3. Using Modules (use) 12.4. Writing Modules Chapter 13. Files and Directories 13.1. INPUT OUTPUT - IO 13.2. Reading Files 13.3. Writing Files 13.4. Removing Files 13.5. Temporary Files 13.6. File tests 13.7. Binary Files 13.8. Directories Chapter 14. Date and Time 14.1. time 14.2. now 14.3. Leap Seconds 14.4. Instant 14.5. Timing Chapter 15. Writing a Module 15.1. unit module 15.2. is export 15.3. rakumod / pm6 15.4. use lib 15.5. Timing Fibonacci 15.6. Dictionaries Chapter 16. Ranges and Sequences 16.1. Ranges 16.2. lazy 16.3. Sequences 16.4. state 16.5. Truly Random Flip-Flop 16.6. Flip-Flop Problems 16.7. gather / take 16.8. Closures Chapter 17. Classes 17.1. class 17.2. method 17.3. Named Arguments 17.4. Public Class Variables 17.5. self 17.6. Custom «new» 17.7. Custom BUILD 17.8. Wrong Start Value 17.9. Object Comparison 17.10. A Person Class 17.11. Output 17.12. Private Methods 17.13. Inheritance 17.14. Roles 17.15. Multiple Dispatch 17.16. A Fallback Method 17.17. .? 17.18. .+ 17.19. .* 17.20. handles (Delegation) 17.21. Calling a method specified in a variable 17.22. Stubbed Class Appendix 1. Docker Installing Rakudo Star with Docker Appendix 2. Solutions Chapter 1 Chapter 2 Chapter 3 Chapter 4 Chapter 5 Chapter 6 Chapter 7 Chapter 8 Chapter 9 Chapter 10 Chapter 11 Chapter 12 Chapter 13 Chapter 14 Chapter 15 Chapter 16 Chapter 17 Appendix 3. Beware of A3.1 length A3.2 Objects are not strings A3.3 See also A3.4 Syntax Summary Appendix 4. Raku Background and History 6.a and 6.b 6.c 6.d 6.e About Versions Index