Clojure·Clojure essentials

Forms and syntax

Clojure code is data: everything is an expression in parentheses.

Advanced 10 min read Lesson 1 of 150 Challenge included
What you will be able to do
  • Function calls use (fn args).
  • Use def for names.
  • Use println for output.

In plain English

Clojure code is data: everything is an expression in parentheses.

  • Function calls use (fn args).
  • Use def for names.
  • Use println for output.
hello.cljCLOJURE
(def name "Ada")
(def scores [90 85 88])
(println "Hello," name (count scores))
Your turn

Explain it back

Easy

Answer from memory: What is the first element of a Clojure list call?

TEXT · starter
Your answer…
Check your understanding before moving on.
Knowledge checkQuestion 1

What is the first element of a Clojure list call?

Select an answer to continue
Study tools

Make it yours.

Keep a private note for this lesson, then turn the key ideas into flashcards you can revisit.

Sign in to save notes and flashcards.Both are private to your account and stay with your progress.
Sign in
Finished reading?

Lock in what you just learned.

Mark this lesson complete to save your place and move one step closer to the certificate.

Next: Data structures
Lesson 1 of 150 · 0% of course