Flowdock
method

each_with_index

Importance_1
v1_9_3_392 - Show latest stable - 0 notes - Class: Matrix
each_with_index(which = :all) public

Same as #each, but the row index and column index in addition to the element

Matrix[ [1,2], [3,4] ].each_with_index do |e, row, col|
  puts "#{e} at #{row}, #{col}"
end
  # => Prints:
  #    1 at 0, 0
  #    2 at 0, 1
  #    3 at 1, 0
  #    4 at 1, 1
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