Clojure QuickStart

quickstart.md

Working with the REPL

• lein repl : To start
• (pst) : Print stack trace
• (load-file "myfile.clj") : Run a CLJ file
• Results of 3 most recent expressions: *1, *2, *3
• (require '[clojure.by.example :as cbe]) : Require namespace
• (use 'clojure.lib) : Use library at the REPL
• (lein test :only clj-testing.namespace.my-test) : Run a specific namespace tests
• use lein-try to test out clojars in repl

Data Struct Syntax

• #{} : Set, #{1 2 3 3 4} : Syntax error: Duplicate key: 3
• (conj coll item) : Conjoin (append item to collection coll)

Atoms

• (def my_atom_name (atom #{})) : Bind an empty set atom to the name

Projects

• lein deps : Install dependencies from project.clj