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leoallen85/callbacks.rb

Created March 12, 2015 15:05
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Passing methods as arguments with Ruby
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callbacks.rb
def square(integer)
integer * integer
end
[1,2,3].map(&method(:square)) # => [1,4,9]
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leoallen85 commented Mar 12, 2015

Replicating this behaviour in Javascript:

function square(integer) {
  return integer * integer;
}

[1,2,3].map(square);

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