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sgentile/ruby_map_reduce

Last active December 20, 2015 05:39
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Simple ruby map and reduce example
Raw
ruby_map_reduce
people = [{name:'Steve', age:43},{name:'Tyler', age:8}]
puts people.reduce(0) {|sum, value| sum + value[:age] } # 51
puts people.map {|n| n[:age]} # 43, 8
learn more! http://ruby-doc.org/core-2.0/Enumerable.html
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