#<<1#  [ -2.0, 4.333e333, 600 ]  
{
  array => [
    {
      frac  => { decimal_point => ".", DIGIT => [0] },
      int   => { digit1_9 => 2 },
      minus => "-",
    },
    {
      exp  => { DIGIT => [3, 3, 3], e => "e" },
      frac => { decimal_point => ".", DIGIT => [3, 3, 3] },
      int  => { digit1_9 => 4 },
    },
    { int => { DIGIT => [0, 0], digit1_9 => 6 } },
  ],
}
#>>1#