From: Tony Arcieri <tony@...>
Date: 2010-03-12T08:57:50+09:00
Subject: Re: result of assignment is not the return value

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Setters always return the value they were originally assigned

On Thu, Mar 11, 2010 at 4:55 PM, Nathan Beyer <nbeyer@gmail.com> wrote:

> Given a simple class like this
>
> class MyClass
>  attr_reader :value
>  def value=(val)
>    @value = val.to_s
>  end
> end
>
> Why the the following code return the value passed and not the value
> assigned?
>
> c = MyClass.new
> result = c.value = 2
> puts result
> puts c.value
>
> This is currently outputing
>
> 2
> "2"
>
> The results are the same when MyClass is modified to be this.
>
> class MyClass
>  attr_reader :value
>  def value=(val)
>    @value = val.to_s
>    return @value
>  end
> end
>
> Shouldn't the result of the 'value=' method be the return value?
>
>


-- 
Tony Arcieri
Medioh! A Kudelski Brand

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