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Ruby
Array Number of Leaves
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[QUOTE="salai, post: 4651107"] Dear Rubyist, I want to count array list [1,2,3,[4],5] ---> # 5 leaves but I always get sum_of_array. Where did I do wrong? def array_leave1 # sum_of_array? res = 0 self.each{|elem| if elem.kind_of?(Array) res += elem.sum_of_array else res += elem end } return res end def number_of_leaves self.inject(0){|acc,x| if x.kind_of?(Array) acc += x.number_of_leaves else acc += x end } end many thanks in advance. regards, salai [/QUOTE]
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