[Rd] methods::trace fails when signature specified
jmc at r-project.org
Thu Mar 15 22:01:48 CET 2012
Thanks. Should be fixed in r-devel and 2.15 alpha from revision 58756.
(Nothing to do with trace() particularly. Low-level code to create
"signature" objects was not returning an S4 object.)
On 3/14/12 9:48 PM, Martin Morgan wrote:
> > R.version.string
>  "R version 2.15.0 alpha (2012-03-14 r58748)"
> trying to trace a method using the 'signature' argument fails rather
> than enabling the trace:
> > trace(initialize, signature="ANY")
> Error in matchSignature(signature, fdef, where) :
> trying to match a method signature of class “signature”; expects a list
> or a character vector
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