[Rd] Where's code for binding values to formal arguments in functions?

Prof Brian Ripley ripley at stats.ox.ac.uk
Mon Feb 9 07:18:56 CET 2009


Have you studied d the R-ints manual?

It is a complex process, since in fact it is promises which are bound. 
The code for that is in match.c: matchArgs.

In general, you will not find people willing to read the source code 
for you, and especially if you give no reason for your 'wants'.

On Sun, 8 Feb 2009, Yi Zhang wrote:

> Hello,
>
> Can anyone give me a pointer where to find the implementation code for
> binding values to formal arguments in functions? For example, if we
> have a function f <- function(x,y)... and f(1,2) is called, I want to
> find the code that binds 1 to x when evaluating f(1,2). I tried eval.c
> but it's too long and I was lost... Thanks!
>
> -- 
> Yi

-- 
Brian D. Ripley,                  ripley at stats.ox.ac.uk
Professor of Applied Statistics,  http://www.stats.ox.ac.uk/~ripley/
University of Oxford,             Tel:  +44 1865 272861 (self)
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