in_groups_of(number, fill_with = nil)
Instance Public methods
Splits or iterates over the array in groups of size number,
padding any remaining slots with fill_with unless it is
false.
%w(1 2 3 4 5 6 7 8 9 10).in_groups_of(3) {|group| p group}
["1", "2", "3"]
["4", "5", "6"]
["7", "8", "9"]
["10", nil, nil]
%w(1 2 3 4 5).in_groups_of(2, ' ') {|group| p group}
["1", "2"]
["3", "4"]
["5", " "]
%w(1 2 3 4 5).in_groups_of(2, false) {|group| p group}
["1", "2"]
["3", "4"]
["5"]
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