method
in_groups_of
v4.2.9 -
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Class: Array
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in_groups_of(number, fill_with = nil)
public
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"]