From: "Jan-Erik R." <badboy@...>
Date: 2009-01-11T04:09:56+09:00
Subject: Re: What is meant by << operator ???

Muhammad mohsin ali Ma schrieb:
> What is meant by << operator?
> 
> For example this operator is used in following code,
> 
> 
> /*****************************************************/
> def add_product(product)
>   current_item = @items.find {|item| item.product == product}
>   if current_item
>     current_item.increment_quantity
>   else
>     current_item = CartItem.new(product)
>   @items << current_item
>   end
>   current_item
> end
> /*****************************************************/
it appends the object "current_item" to the Array @items