Clojure course: Dev environmen

Local development environment

Professional tools are never easy to use for beginners

The syntax of the code is the same as the syntax of the data.

(defn dummy
  "A dummy function"
  [n]
  (let [a (inc n)]
    a))

'(a b
  c
  [d.a d.b]
  (e.a [e.b.a (e.b.b.a e.b.b.b)]
    e.c)

Constraints are here to help you!

Paredit never lets your code become unbalanced

Wrap expression

(println 1)

(when a (println 1))

Slurp forward and Barf backward

sort [1 2 3]

(sort [1 2 3])

Splice

  [1 2 3]

  1 2 3

Kill backwards

(when a (println 1))

(println 1)

☕The code is a tree.

Never use arrow keys to navigate in your code

'(a b
  c
  [d.a d.b]
  (e.a [e.b.a (e.b.b.a e.b.b.b)]
    e.c)

🏂 To navigate from b to e.a, we move forward twice and forward into sexp once

REPL comes from the LISP tradition

REPL is much more than a shell or a browser console

The Remote Agent Experiment: Debugging Code from 60 Million Miles Away

spy