On Thu, Apr 17, 2014 at 2:37 AM, Hervé Pagès <hpages@fhcrc.org> wrote:

> Hi Vince,
>
>
> On 04/10/2014 08:16 AM, Vincent Carey wrote:
>
>> seems like something we should use more routinely, and it was not
>> straightforward for me to find it in IRanges
>>
>
> I could do that but...
>
> Good object design would be that if a developer wants its class to
> support the metadata() getter and setter, s/he should extend the
> Annotated class defined in IRanges. This class has only 1 slot, the
> metadata slot, and a very simple API: just metadata(). So by extending
> it, metadata() will work out-of-the-box on his/her objects. This avoids
> code duplication and ensures that the metadata() getter and setter
> behave consistently on all objects.
>
> I can see that a developer could be reluctant to depend on IRanges just
> to inherit the Annotated class though. But maybe this means that the
> Annotated class and the metadata() generic are in the wrong package?
>
>
 thanks for the comment; i can deal with the situation as is.


> Cheers,
> H.
>
>
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> --
> Hervé Pagès
>
> Program in Computational Biology
> Division of Public Health Sciences
> Fred Hutchinson Cancer Research Center
> 1100 Fairview Ave. N, M1-B514
> P.O. Box 19024
> Seattle, WA 98109-1024
>
> E-mail: hpages@fhcrc.org
> Phone:  (206) 667-5791
> Fax:    (206) 667-1319
>

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