From: Rajinder Yadav <devguy.ca@...>
Date: 2010-11-01T08:58:49+09:00
Subject: Re: the dark side of inherited methods

On 10-10-31 07:00 PM, Phillip Gawlowski wrote:
> On Sun, Oct 31, 2010 at 11:54 PM, Rajinder Yadav<devguy.ca@gmail.com>  wrote:
>> I see how Vector is-a Array, I don't see how Array is-a Vector? I would
>> consider collect and collect! to be inconsistent under this definition.
>
> Array#collect returns a new Array. Array#collect! returns the existing
> Array. Thus, Vector#collect returns a new Array, and Vector#collect!
> returns the existing Vector. Bang-methods operate on the object
> itself, and return the modified object, instead of creating a new
> object containing the result of the operation the non-Bang-method
> performed.
>
> The behavior is consistent with how methods with and without Bang operate.
>

Thanks Phillip, yes I agree with respect to the implementation, i get 
it. was mulling that over after i hit send =P

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Rajinder Yadav | DevMentor.org | Do Good! ~ Share Freely

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