Girl Geek Dinners - Clojure 101
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This document provides an overview of Clojure 101 and introduces various Clojure concepts including web apps, GUIs, mobile development, terminals, animation, games, Arduino, health, and space. It demonstrates basic Clojure data types, functions, macros, pattern matching, unit testing, JSON/HTML creation, XML reading, and using goroutines.
![[1 2 4]3, , ,](https://image.slidesharecdn.com/ggdclojure101-180306105436/85/Girl-Geek-Dinners-Clojure-101-27-320.jpg)
![4][1 2 3](https://image.slidesharecdn.com/ggdclojure101-180306105436/85/Girl-Geek-Dinners-Clojure-101-28-320.jpg)
![[1 2 :three "four"]](https://image.slidesharecdn.com/ggdclojure101-180306105436/85/Girl-Geek-Dinners-Clojure-101-29-320.jpg)
![{
"fizz" true
:bugs false
[1 2 3] {:do "re"}
}](https://image.slidesharecdn.com/ggdclojure101-180306105436/85/Girl-Geek-Dinners-Clojure-101-32-320.jpg)
![(fn [name]
(print "Hello " name))](https://image.slidesharecdn.com/ggdclojure101-180306105436/85/Girl-Geek-Dinners-Clojure-101-40-320.jpg)
](https://image.slidesharecdn.com/ggdclojure101-180306105436/85/Girl-Geek-Dinners-Clojure-101-42-320.jpg)
![fn greet(def
(print "Hello " name))
[name]](https://image.slidesharecdn.com/ggdclojure101-180306105436/85/Girl-Geek-Dinners-Clojure-101-43-320.jpg)
![(defroutes app
(GET "/" []
"<h1>Hello World</h1>")
(route/not-found
"<h1>Page not found</h1>"))
WEB](https://image.slidesharecdn.com/ggdclojure101-180306105436/85/Girl-Geek-Dinners-Clojure-101-45-320.jpg)
![(html [:span {:class "foo"} "bar"])
=> "<span class="foo">
bar
</span>"
?
(html [:ul
(for [x (range 1 4)]
[:li x])])
=> "<ul>
<li>1</li>
<li>2</li>
<li>3</li>
</ul>"
HTML / XML CREATION](https://image.slidesharecdn.com/ggdclojure101-180306105436/85/Girl-Geek-Dinners-Clojure-101-47-320.jpg)
![(def xml-doc
(parse (File. "calendar.xml")))
(get-in xml-doc [:content 1 :content 0 :content])
=> [¡°Rover¡¯s birthday¡±]
XML READING](https://image.slidesharecdn.com/ggdclojure101-180306105436/85/Girl-Geek-Dinners-Clojure-101-48-320.jpg)
![(reverse '(7 10 -))
; => (- 10 7)
(defmacro backwards [call]
(reverse call))
(- 10 7) ; => 3
MACROS](https://image.slidesharecdn.com/ggdclojure101-180306105436/85/Girl-Geek-Dinners-Clojure-101-57-320.jpg)
![(- 10 7) ; => 3
(backwards (7 10 -)) ; => 3
(defmacro backwards [call]
(reverse call))
MACROS](https://image.slidesharecdn.com/ggdclojure101-180306105436/85/Girl-Geek-Dinners-Clojure-101-58-320.jpg)
![def fib(0) do 0 end
def fib(1) do 1 end
def fib(n) do
fib(n-1) + fib(n-2)
end
PATTERN MATCHING
(defn-match fib
([0] 1)
([1] 1)
([?n] (+ (fib (- n 1))
(fib (- n 2)))))](https://image.slidesharecdn.com/ggdclojure101-180306105436/85/Girl-Geek-Dinners-Clojure-101-59-320.jpg)
![for i := 0; i < 10; i++ {
go func(i int) {
sleep := time.Duration(rand.Intn(1000))
time.Sleep(sleep * time.Millisecond)
fmt.Println(i)
}(i)
}
GOROUTINES
(for [i (range 10)]
(go
(Thread/sleep (rand-int 1000))
(println i)))](https://image.slidesharecdn.com/ggdclojure101-180306105436/85/Girl-Geek-Dinners-Clojure-101-60-320.jpg)
Girl Geek Dinners - Clojure 101
- 4. WEB APPS
- 5. GUI
- 6. GUI
- 7. MOBILE
- 8. TERMINAL
- 9. ANIMATION
- 10. MUSIC
- 12. GAMES
- 13. ARDUINO
- 14. HEALTH
- 15. SPACE
- 17. true false
- 18. 3.14
- 20. nil
- 21. ram
- 22. 'ram
- 24. :bug
- 27. [1 2 4]3, , ,
- 28. 4][1 2 3
- 29. [1 2 :three "four"]
- 30. :bar 2},{:foo 1
- 31. :bar 2}{:foo 1
- 32. { "fizz" true :bugs false [1 2 3] {:do "re"} }
- 33. #{1 2 3}
- 34. '(1 2 3)
- 38. (+ 40 2)
- 39. (+ 10 8 20 4)
- 40. (fn [name] (print "Hello " name))
- 42. (print "Hello " name)) fn [name]( greet(def )
- 43. fn greet(def (print "Hello " name)) [name]
- 45. (defroutes app (GET "/" [] "<h1>Hello World</h1>") (route/not-found "<h1>Page not found</h1>")) WEB
- 46. (generate-string {:foo "bar" :baz 5}) => {¡°foo¡±: ¡°bar¡±, ¡°baz¡±: 5} (parse-string "{"foo":"bar"}") ;; => {"foo" "bar"} JSON
- 47. (html [:span {:class "foo"} "bar"]) => "<span class="foo"> bar </span>" ? (html [:ul (for [x (range 1 4)] [:li x])]) => "<ul> <li>1</li> <li>2</li> <li>3</li> </ul>" HTML / XML CREATION
- 48. (def xml-doc (parse (File. "calendar.xml"))) (get-in xml-doc [:content 1 :content 0 :content]) => [¡°Rover¡¯s birthday¡±] XML READING
- 49. (deftest addition-tests (is (= 5 (+ 3 2))) (is (= 10 (+ 5 5)))) UNITTESTING
- 54. THANKYOU
- 55. QUESTIONS?
- 56. OVERTIME
- 57. (reverse '(7 10 -)) ; => (- 10 7) (defmacro backwards [call] (reverse call)) (- 10 7) ; => 3 MACROS
- 58. (- 10 7) ; => 3 (backwards (7 10 -)) ; => 3 (defmacro backwards [call] (reverse call)) MACROS
- 59. def fib(0) do 0 end def fib(1) do 1 end def fib(n) do fib(n-1) + fib(n-2) end PATTERN MATCHING (defn-match fib ([0] 1) ([1] 1) ([?n] (+ (fib (- n 1)) (fib (- n 2)))))
- 60. for i := 0; i < 10; i++ { go func(i int) { sleep := time.Duration(rand.Intn(1000)) time.Sleep(sleep * time.Millisecond) fmt.Println(i) }(i) } GOROUTINES (for [i (range 10)] (go (Thread/sleep (rand-int 1000)) (println i)))