ruby convert array to set
require 'set'
nodes = ['server1','server1','server2']
p nodes.to_set # #<Set: {"server1", "server2"}>ruby convert array to set
require 'set'
nodes = ['server1','server1','server2']
p nodes.to_set # #<Set: {"server1", "server2"}>Copyright © 2021 Codeinu
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