Raku as a Foreign Language

For people who already know another programming language

Learn Raku the way you learned your second language.

Nobody learns a second language from zero. You read, you compare it with the one you know, you notice the words that fool you, and slowly you lose your accent. This site teaches Raku the same way, and every example runs in your browser.

Start hereFind your level

False friendA2
Python0.1 + 0.2 == 0.3False
Raku0.1 + 0.2 == 0.3True
Why the answers differ

Four kinds of articles

Each one practises a different skill, the way a language course mixes reading, vocabulary and pronunciation.

More ways to learn

Lessons, exercises, longer programs, whole tasks and a reference, all on this site.

A Tour of RakuEighteen short lessons with live code: the first walk through the language, like the opening chapters of a course.Raku DrillsPractice questions, one snippet at a time, with the answer a click away: the exercises after the lesson.Raku by exampleTwenty-four complete programs to read and run: longer texts than the readers, each with the features it leans on.The Raku CookbookWhole tasks worked end to end: a command-line tool, a grammar, HTTP, databases, parallel work.Raku Behind the DocsWhat Raku actually does, corner by corner, with the output Rakudo prints: the grammar book for when you need the details.

Elsewhere: the playground · the FAQ · the Raku course · Andrew Shitov’s books

Find your level

Six levels, as in a language course. Read at your level, and then one above it.

A1First words4 articlesA2Everyday Raku10 articlesB1Getting around7 articlesB2Independent2 articlesC1Fluent1 articleC2Nativecoming later

Coming from another language?

False friends and accents start from what you already know.

Python10 articlesPerl7 articlesJavaScript5 articlesC3 articles

Every example runs

The programs on this site run in your browser, on Raku++ compiled to WebAssembly. Nothing is sent to a server. Change this one and press Run.

my @cities = 'Riga', 'Leiden', 'Turin';
say @cities[*-1];
say 'Riga'.comb;
say 0.1 + 0.2 == 0.3;