From: Trans <transfire@...>
Date: 2008-04-03T07:28:08+09:00
Subject: Re: A Question Of Coupling



On Apr 2, 3:17 pm, "Jason Roelofs" <jameskil...@gmail.com> wrote:
> My issue with #2 is that the return value of bar.okay? might change,
> but with this implementation Foo#okay? won't ever change.

That's a good point. I guess that crystalizes the coupling.

Coupled:

  class Foo
    def initialize(bar)
      @bar = bar
    end

Decoupled:

  class Foo
    def initialize(bar)
      @bar = bar.dup
    end

T.