From: Rolf Pedersen <rolfhsp@...>
Date: 2011-02-04T18:04:12+09:00
Subject: Re: Setter method for Hash value

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Thanks for the input, botp.
Your example does the job allright, but designwise, I don't like that the
[]= method is made available for MyClass itself.
However, I'll take whatever works for now! :o)

Best regards,
Rolf

On Fri, Feb 4, 2011 at 4:44 AM, botp <botpena@gmail.com> wrote:

> On Fri, Feb 4, 2011 at 11:22 AM, botp <botpena@gmail.com> wrote:
>
> sorry, ignore the previous unclear post..
>
> try again,
>
> class MyClass
>  def props
>    some_data = SomeClass::get_prop
>     self
>  end
>  def []=(key,value)
>    p "i was called"
>     SomeClass::set_prop(key, value)
>  end
> end
> #=> nil
>
> class SomeClass
>  class << self
>    @@h={}
>    def get_prop
>      @@h
>    end
>    def set_prop key,value
>      @@h[key]=value
>    end
>    def show
>      @@h
>    end
>  end
> end
> #=> nil
>
> c=MyClass.new
> #=> #<MyClass:0x8887b94>
> c.props
> #=> #<MyClass:0x8887b94>
> c.props[:a]=1
> "i was called"
> #=> 1
> c.props[:b]=2
> "i was called"
> #=> 2
> c.props
> #=> #<MyClass:0x8887b94>
> SomeClass::show
> #=> {:a=>1, :b=>2}
>
>
> best regards -botp
>
>

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