[asterisk-dev] Syntax for application parameters

[Philipp Kempgen]

Will schrieb:
> On Tue, Jun 9, 2009 at 8:31 AM, Jared Smith<jsmith at digium.com> wrote:
>> Eliel and I started a vigorous discussion on the asterisk-dev IRC
>> channel earlier today regarding the syntax for application parameters in
>> the built-in help, and I'd like to open up the discussion for more
>> members of the development community before we agree on a format.
>>
>> >From what we've discussed this morning, it appears we have four
>> different proposed versions of the syntax:
>>
>> 1) Application([param1][,param2[,param3]])
>> 2) Application([param1[,param2[,param3]]])
>> 3) Application([[param1][,[param2][,[param3]]])
>> 4) Application([param1][,[param2][,[param3]]])
> 
> #3 looks like it's missing a ] somewhere. Assuming the missing ] is on
> the end, #3 and #4 are functionally equivalent (unless I missed
> something) and is what I prefer, since it allows parameter index to
> stay the same, even if you choose to leave out parameters.  If you
> want to leave out a parameter, just put nothing in it's position so
> you end up with (param1,,param3).

The same goes for #1 and #2 provided the user knows that params can
be empty. I get your point but it might not be worth the additional
"clutter" in #3 and #4. #1 and #2 are easier to "parse". jm2c


    Philipp Kempgen
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