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Re: wrapper functions [message #50615 is a reply to message #50504]

Fri, 06 October 2006 14:06

Dominic Metzger
Messages: 30
Registered: August 2006

Member

Hey Ken,

Yeah, I am still trying to find a solution that will allow my to write
more or less completely transparent wrappers. Not quite there yet... or
in other words havent figured out to what extend this is possible or
not.

thanks for your input!

dometz

Kenneth Bowman wrote:
> In article <MPG.1f8f75b654670c76989d07@news.frii.com>,
> David Fanning <davidf@dfanning.com> wrote:
>
>> Kenneth P. Bowman writes:
>>
>>> I find that N_PARAMS() with SWITCH is very handy for setting defaults in
>>> procedures where optional positional parameters make sense.
>>>
>>> PRO BLAH, A, B, C
>>>
>>> SWITCH N_PARAMS() OF
>>> 0 : A = ...
>>> 1 : B = ...
>>> 2 : C = ...
>>> ENDSWITCH
>>
>> In thinking about it, I guess I use N_ELEMENTS for
>> all my parameters because I can throw better errors
>> since I know *exactly* which parameter is missing:
>
> As I said, this is only useful in cases where optional positional parameters
> makes sense. That is, where some positional parameters are optional AND they
> have a logical ordering such that you can pass A, or A and B, or A and B and C,
> but not A and C or B and C. In that case, keyword parameters make more sense.
>
> And, of course, KEYWORD_SET should only be used with binary keyword parameters,
> that is, parameters that are set like this: /KEYWORD.
>
> Ken

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[Message index]

		wrapper functions By: Dominic Metzger on Thu, 05 October 2006 16:30
		Re: wrapper functions By: JD Smith on Mon, 09 October 2006 11:03
		Re: wrapper functions By: Dominic Metzger on Fri, 06 October 2006 14:06
		Re: wrapper functions By: Dominic Metzger on Fri, 06 October 2006 14:02
		Re: wrapper functions By: David Fanning on Fri, 06 October 2006 13:42
		Re: wrapper functions By: Dominic Metzger on Fri, 06 October 2006 13:35
		Re: wrapper functions By: David Fanning on Fri, 06 October 2006 12:47
		Re: wrapper functions By: Dominic Metzger on Fri, 06 October 2006 12:42
		Re: wrapper functions By: David Fanning on Fri, 06 October 2006 09:35
		Re: wrapper functions By: news.qwest.net on Fri, 06 October 2006 09:16
		Re: wrapper functions By: David Fanning on Fri, 06 October 2006 08:58
		Re: wrapper functions By: news.qwest.net on Fri, 06 October 2006 08:36
		Re: wrapper functions By: news.qwest.net on Fri, 06 October 2006 08:35
		Re: wrapper functions By: David Fanning on Fri, 06 October 2006 06:34

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