Divide set into three sub sets : Set « Collections « Ruby






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  3. Set

Divide set into three sub sets

require 'set'

s = [1, 2, 3, -1, -2, -4].to_set
# Divide the set into sets of adjacent numbers
p s.divide { |x,y| (x-y).abs == 1 }
# => #<Set: {#<Set: {1, 2, 3}>,
# =>         #<Set: {-1}>,
# =>         #<Set: {-4, -3}>}>








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