code.delx.au - gnu-emacs-elpa/blob - packages/coffee-mode/examples/basic.coffee

   1 # These examples are taken from
   2 # http://jashkenas.github.com/coffee-script/
   3
   4 song = ["do", "re", "mi", "fa", "so"]
   5
   6 ages = {
   7   max: 10
   8   ida: 9
   9   tim: 11
  10 }
  11
  12 matrix = [
  13   1, 0, 1
  14   0, 0, 1
  15   1, 1, 0
  16 ]
  17
  18 eldest = if 24 > 21 then "Liz" else "Ike"
  19
  20 six = (one = 1) + (two = 2) + (three = 3)
  21
  22 My.mood = greatly_improved if true
  23
  24 # Unfancy JavaScript
  25 if happy and knows_it
  26   cha_cha_cha()
  27   false
  28
  29 Account = (customer, cart) ->
  30   @customer: customer
  31   @cart: cart
  32
  33   $('.shopping_cart').bind 'click', (event) =>
  34     @customer.purchase @cart
  35
  36 class Animal
  37   move: (meters) ->
  38     alert @name + " moved " + meters + "m."
  39
  40   randomify: ->
  41     @name.replace(/^[\w_-]*$/g, "-")
  42
  43 class Snake extends Animal
  44   constructor: (name) ->
  45     @name: name
  46
  47   move: ->
  48     alert "Slithering..."
  49     super 5
  50
  51 class Horse extends Animal
  52   constructor: (name) ->
  53     @name: name
  54
  55   move: ->
  56     alert "Galloping..."
  57     super 45
  58
  59 sam = new Snake "Sammy the Python"
  60 tom = new Horse "Tommy the Palomino"
  61
  62 sam.move()
  63 tom.move()
  64 if car.speed < speed_limit then accelerate()
  65
  66 print "My name is " + @name
  67
  68 gold = silver = the_field = "unknown"
  69
  70 award_medals = (first, second, rest...) ->
  71   gold:       first
  72   silver:     second
  73   the_field:  rest
  74
  75 contenders = [
  76   "Michael Phelps"
  77   "Liu Xiang"
  78 ]
  79
  80 award_medals contenders...
  81
  82 alert "Gold: " + gold
  83 alert "Silver: " + silver
  84 alert "The Field: " + the_field
  85
  86 # Eat lunch.
  87 # what up
  88 # love it.
  89 lunch = eat food for food in ['toast', 'cheese', 'wine']
  90
  91 $('#demo').click ->
  92   asd
  93 # sup
  94   # asd
  95   # asdasd
  96 blah = true
  97
  98 okay
  99
 100
 101 # Naive collision detection.
 102 for roid in asteroids
 103   for roid2 in asteroids when roid isnt roid2
 104     roid.explode() if roid.overlaps roid2
 105
 106 years_old = max: 10, ida: 9, tim: 11
 107
 108 ages = for child, age of years_old
 109   child + " is " + age
 110
 111 grade = (student) ->
 112   if student.excellent_work
 113     "A+"
 114   else if student.okay_stuff
 115     if student.tried_hard then "B" else "B-"
 116   else
 117     "C"
 118