Ruby counter

counter.rb

class Counter
  
  def initialize 
    @counter = "0"
  end
  
  def hit
    @counter.replace( increment_string( @counter ) ); @counter.dup
  end
  
  def total
    @counter
  end
  
  private 
  
  def increment_string( str )
    ( str.to_i + 1 ).to_s 
  end
  
end

c = Counter.new

h1 = { current: c.hit, total: c.total }
h2 = { current: c.hit, total: c.total }

p h1 # {:current=>"1", :total=>"2"}
p h2 # {:current=>"2", :total=>"2"}