$: << '..'

require 'sloop'

Account = sloop {
  self.balance = 0
  
  def_deposit  { |v| self.balance += v }
  def_withdraw { |v| self.balance -= v }
  
  def_inspect { "#(an account with $#{balance})" }
  self.inspect = Sloop::Method.new { "#(an account with $#{balance})" }
}

my_account = Account.clone
p my_account

puts "Depositing $10"
my_account.deposit 10

p my_account