Ruby Set divide method

divide() Set method in ruby programming language are used to generate subset according to commonality defined by the given block.

Example of divide() set method

# Example 1
require "set"

s = Set[2,9,6,4,8,5]

# Collect all subsets which adjacent elements differ by one 
result = s.divide { |x,y| (x-y) == -1 || (x-y) == 1}

# Display result value
print("result : ",result.to_a)  

result : [#<Set: {2}>, #<Set: {9, 8}>, #<Set: {6, 5, 4}>]