From: 7stud -- <bbxx789_05ss@...>
Date: 2009-04-01T00:33:04+09:00
Subject: Re: When to use instance variables @

7stud -- wrote:

>> 3) I've seen code where just below the class declaration, objects are
>> instantiated like product = Product.new - I don't see a @ sign, does
>> that mean it's a local var? How can a local var even exist at the class
>> level, outside a function?
>> 
> 

class Product
  attr_accessor :product

  def initialize
    @product = "Shoes"
  end
end

class Person

  PersonProduct = Product.new

  def initialize(name, age, product)
    @name = name
    @age = age
    @product = product
  end

  def show
    puts "We all have #{PersonProduct.product}"
    puts "And I have #{@product}"
  end

end


p = Person.new("Steve", 25, "Sandals")
p.show

--output:--
We all have Shoes
And I have Sandals

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