From mtmorgan at fhcrc.org  Thu Mar 15 05:48:15 2012
From: mtmorgan at fhcrc.org (Martin Morgan)
Date: Wed, 14 Mar 2012 21:48:15 -0700
Subject: [Rd] methods::trace fails when signature specified
Message-ID: <4F61748F.6040009@fhcrc.org>

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

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[Rd] methods::trace fails when signature specified
Martin Morgan