I followed a couple threads from the archives and from
stackoverflow.com, and would like to know: just what is "..." ? What I
mean by this is,for example, from the point of view of a user running a
function in debug mode, is "..." an object, or does it exist in the
current environment as some thingy?
Maybe a better question to ask is: if I were to write some function that
accepts "..." for its own personal use, how do I access the optional
arguments? Do I simply have to do a series of 'match' or 'pmatch' on
the output of list(...) , or is there a more direct way to get at the
variables?
If there is a R programmer's manual that discusses this, I'm happy to
read that, so just let me know.
thanks
Carl
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