methods::trace fails when signature specified
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:
With
> R.version.string
[1] "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