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rubysolo/enumerable-fun.rb

Last active December 20, 2015 04:19
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enumerable-fun.rb
collection = [:a, :b, :c]
collection.each_with_index.each_with_object({}) do |(item, index), hash|
hash[item] = index
end
# => {:a=>0, :b=>1, :c=>2}
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