m = Module.new do
  autoload(:AAA, "ltemp.rb")
end
n = m.dup
o = Module.new
p m.const_get(:AAA)
p o.const_get(:AAA)
begin
  n.autoload?(:AAA)
rescue TypeError => e
  p e.message
end
begin
  n.const_get(:AAA)
rescue TypeError => e
  p e.message
end
p m.constants
p n.const_get(:AAA)