  size: 2
  bucket size: 3
  capacity: 4
/  load factor: 0.66666[6-7]
/    bucket 0 \([0-9a-fA-Fx]*\):
/    bucket 1 \([0-9a-fA-Fx]*\):
/    bucket 2 \((\(nil\))|(0x0)|(0)\):
