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tuxfight3r/gist:a350767f32038121d7ee

Created November 27, 2014 17:57
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ruby remove nth object by object_id from array
Raw
gistfile1.rb
str=lambda {|arr,div| arr.each_with_index.map{|x,i| i=i+1; next if i % div == 0; x}.compact }
=> #<Proc:0x000000015a7138@(irb):138 (lambda)>
irb(main):139:0> str.call((0..20).to_a, 3)
=> [0, 1, 3, 4, 6, 7, 9, 10, 12, 13, 15, 16, 18, 19]
irb(main):140:0> str.call((1..20).to_a, 3)
=> [1, 2, 4, 5, 7, 8, 10, 11, 13, 14, 16, 17, 19, 20]
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