On Fri, 15 Aug 2008, Vadim Organovich wrote:

Dear R-users,

Could someone please explain why the message printed by function stopifnot2, 
see below, is different from that of stopifnot itself?


Refer to the source

        page(stopifnot,'print')

Then consider this:

foo <- function(...) match.call()
foo2 <- function(...) foo(...)
foo(a+b)[[2]]
a + b
foo2(a+b)[[2]]
..1



HTH,

Chuck



Thank you for your help,
Vadim


stopifnot2 <- function(...) stopifnot(...)
stopifnot(F)
Error: F is not TRUE
stopifnot2(F)
Error: ..1 is not TRUE

version
              _
platform       i386-pc-mingw32
arch           i386
os             mingw32
system         i386, mingw32
status
major          2
minor          6.1
year           2007
month          11
day            26
svn rev        43537
language       R
version.string R version 2.6.1 (2007-11-26)

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Charles C. Berry                            (858) 534-2098
                                            Dept of Family/Preventive Medicine
E mailto:[EMAIL PROTECTED]                  UC San Diego
http://famprevmed.ucsd.edu/faculty/cberry/  La Jolla, San Diego 92093-0901

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