R help - Jan 2014 - Arguments in functions when packaging

Hi everybody,

I have a doubt in relation with arguments in functions when packaging: Does it
make sense the fact of having dots as an argument when it is the only
argument?. 

I mean you have a package and a function that will be used directly by the user
has dots as an argument; for example:

ReadData <- function (...) {
InPutParams(kValidate, ...)
        ReadAll(...)
}

Does it make sense the fact of having dots as argument of ReadData, and no other
argument?. 


I ask this question because I hace created a package and I use dots as argument
(only dots) in several visible functions, because in this way the fact of
validating the values passed by the user is more easy for me (within InPutParams
function), but I have consulted several packages and I don't see visible
functions with dots as unique argument.

Thank you in advance.

Regards.

Eva
	[[alternative HTML version deleted]]

On 14-01-28 2:48 AM, Eva Prieto Castro wrote:
> Hi everybody,
>
> I have a doubt in relation with arguments in functions when packaging: Does
it make sense the fact of having dots as an argument when it is the only
argument?.
>
> I mean you have a package and a function that will be used directly by the
user has dots as an argument; for example:
>
> ReadData <- function (...) {
> InPutParams(kValidate, ...)
>          ReadAll(...)
> }
>
> Does it make sense the fact of having dots as argument of ReadData, and no
other argument?.
Sure, why not?  This usually means that no names at all are meaningful 
to ReadData.  An example like this is the list() function.  It 
constructs a list out of its arguments; you can use names if you want 
names in the list, but none of them mean anything special.

Duncan Murdoch
>
>
> I ask this question because I hace created a package and I use dots as
argument (only dots) in several visible functions, because in this way the fact
of validating the values passed by the user is more easy for me (within
InPutParams function), but I have consulted several packages and I don't see
visible functions with dots as unique argument.
>
> Thank you in advance.
>
> Regards.
>
> Eva
> 	[[alternative HTML version deleted]]
>
>
>
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