INDENT_STRING = "  "
def ph hash, indent = 0
  result = "{\n"

  hash.sort_by{|e|e.inspect}.each do |key, value|
    result << INDENT_STRING * (indent+1)
    value = if Hash === value
      ph value, indent + 1
    else
      value.inspect
    end
    result << "#{key.inspect} => #{value}\n"
  end

  result << INDENT_STRING * indent << "}"

  if indent.zero?
    puts result
  else
    result
  end
end

hash = {:a,4,6,"0x5QB527C",:o=,{:c,:q,:+,{:/,:-,:|,:&},:t,:A},:b,{:e,:d},:y,:x}
ph hash

# >> {
# >>   6 => "0x5QB527C"
# >>   :a => 4
# >>   :b => {
# >>     :e => :d
# >>   }
# >>   :o= => {
# >>     :+ => {
# >>       :/ => :-
# >>       :| => :&
# >>     }
# >>     :c => :q
# >>     :t => :A
# >>   }
# >>   :y => :x
# >> }