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Higher-order functions: Difference between revisions
→{{header|CoffeeScript}}
(Coffeescript implementation) |
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Using a function stored in a variable:
<lang coffeescript>fn = -> return 8
sum = (a, b) -> a() + b()
sum(fn, fn) # => 16
</lang>
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return "Smashed #{ingredient}"
contents = smash ingredient for ingredient in bowl
</lang>
A function that returns a function that returns a function that returns a function that returns 2, immediately executed:
<lang coffeescript>(-> -> -> -> 2 )()()()() # => 2</lang>
A function that takes a function that takes a function argument:
<lang coffeescript>((x)->
▲<pre>["Smashed Cheese", "Smashed Tomato"]</pre>
2 + x(-> 5)
)((y) -> y()+3)
# result: 10</lang>
=={{header|Common Lisp}}==
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