# File utilities.rb, line 90
def test
  nel0, nel1 = [0, 1], [2, 3]
  el1, el2 = "123", {nel0=>nel1}
  a = [1, el1, el2]
  puts a.inspect
  b = a.deepcopy
  puts b.inspect
  puts "a==b: #{a==b}"
  b[2][[0, 1]] = 4
  puts a.inspect
  puts b.inspect
end