al-1.6.1-demo

require "awesome_print"

begin
  AwesomePrint.irb!
rescue StandardError => err
  warn "AwesomePrint.irb! doesn't exist in the old version:\n#{err}"
end

puts "Awesome Print version: #{AwesomePrint.version}\n\n"

class Item
  attr_reader :name, :quantity, :value, :total
  attr_writer :quantity

  @@count = 0

  def initialize(name,quantity, value)
    @name = name
    @quantity = quantity
    @value = value
    @count = 0
  end

  def total
    @value * @quantity
  end

  def to_s
    "Item: #{@name}--> val:#{@value} x quantity:#{@quantity} ==> total: #{self.total}"
  end

  def useitem
    @count += 1
    @@count += 1
    puts "This item, #{@name}, was used #{@count} times. Total Item use: #{@@count}"
  end
end

anItem = Item.new("box",3,2.5)
anItem.useitem
ap anItem

$ irb
2.1.5 :001 > require "~/Item.rb"
Awesome Print version: 1.6.1

This item, box, was used 1 times. Total Item use: 1
#<Item:0x007ff4db2fd370 @name="box", @quantity=3, @value=2.5, @count=1>
true
2.1.5 :002 >