Initial data commit

Task/Higher-order-functions/CoffeeScript/higher-order-functions-1.coffee

@@ -0,0 +1 @@
+double = [1,2,3].map (x) -> x*2

Task/Higher-order-functions/CoffeeScript/higher-order-functions-2.coffee

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+fn = -> return 8
+sum = (a, b) -> a() + b()
+sum(fn, fn) # => 16

Task/Higher-order-functions/CoffeeScript/higher-order-functions-3.coffee

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+bowl = ["Cheese", "Tomato"]
+
+smash = (ingredient) ->
+    return "Smashed #{ingredient}"
+
+contents = smash ingredient for ingredient in bowl
+# => ["Smashed Cheese", "Smashed Tomato"]

Task/Higher-order-functions/CoffeeScript/higher-order-functions-4.coffee

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+double = (x) -> x*2
+triple = (x) -> x*3
+addOne = (x) -> x+1
+
+addOne triple double 2 # same as addOne(triple(double(2)))

Task/Higher-order-functions/CoffeeScript/higher-order-functions-5.coffee

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+(-> -> -> -> 2 )()()()() # => 2

Task/Higher-order-functions/CoffeeScript/higher-order-functions-6.coffee

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+((x)->
+    2 + x(-> 5)
+)((y) -> y()+3)
+# result: 10