Introduction to Clojure and ClojureScript

Transcript

1. 1 CLOJURE AND CLOJURESCRIPT MARCUS AHNVE MARCUS.AHNVE@VALTECH.SE
2. 2 TABLE OF CONTENTS About the talk Hello World Clojure Characteristics Functional Programming Code! ClojureScript Code! Tooling Books Overtone
3. 3 . 1 ABOUT THE TALK For people who know programming but don't know Clojure Things I would have liked to know when I started Not a language theory talk No to very little low level stuff
4. 4 . 1 HELLO WORLD $ l e i n n e w a p p h e l l o _ w o r l d $ c d h e l l o _ w o r l d $ l e i n r u n $ l e i n u b e r j a r
5. 5 . 1 CLOJURE CHARACTERISTICS Lisp Functional/Immutable Dynamic Compiled Homoiconic Runs on the JVM
6. 6 . 1 FUNCTIONAL PROGRAMMING All about data conversion Actually very good for web applications
7. 7 . 1 CODE! $ l e i n n e w r e a g e n t t e s t - a p p $ c d t e s t - a p p $ l e i n f i g w h e e l
8. 8 . 1 CLOJURESCRIPT Compiles to Javascript Uses Google Closure Macros not really there No transactional memory No Javascript
9. 9 . 1 CODE!
10. 10 . 1 TOOLING
11. 10 . 2 REPL Read - Eval - Print - Loop Different way of programming
12. 10 . 3 LEININGEN Declarative build system Standard Clojure code $ l e i n n e w m y _ a p p $ l e i n t e s t
13. 10 . 4 TEMPLATES l e i n n e w c o m p o j u r e w e b - a p p
14. 10 . 5 EDITORS Emacs Cursive Lighttable NightCode Eclipse Vim
15. 11 . 1 BOOKS
16. 11 . 2 CLOJURE FOR THE BRAVE AND TRUE
17. 11 . 3 LIVING CLOJURE
18. 11 . 4 CLOJURE APPLIED
19. 12 . 1 OVERTONE $ l e i n n e w m u s i c
20. 12 . 2 ADD OVERTONE TO DEPENDENCIES