# Ruby code for compare_by_identity?  () method
  
# declaring Hash value
a = {a:100, b:nil}
  
# declaring Hash value
b = {a:100, c:nil, b:"b"}
  
# declaring Hash value
c = {a:100}
  
puts "compare_by_identity?   a : #{a.compare_by_identity? }\n\n"
  
puts "compare_by_identity?   b : #{b.compare_by_identity? }\n\n"
  
puts "compare_by_identity?   b : #{c.compare_by_identity? }\n\n"

compare_by_identity?   a : false

compare_by_identity?   b : false

compare_by_identity?   b : false

# Ruby code for compare_by_identity?  () method
  
# declaring Hash value
a = { "a" => 100, "b" => 200 }
  
# declaring Hash value
b = {"a" => 100}
  
# declaring Hash value
c = {"a" => 100, "c" => "c", "b" => 200}
  
puts "compare_by_identity?   a : #{a.compare_by_identity? }\n\n"
  
puts "compare_by_identity?   b : #{b.compare_by_identity? }\n\n"
  
puts "compare_by_identity?   b : #{c.compare_by_identity? }\n\n"

compare_by_identity?   a : false

compare_by_identity?   b : false

compare_by_identity?   b : false