[Rd] Extracting srcref for S4 methods

Renaud Gaujoux renaud at mancala.cbio.uct.ac.za
Thu Jul 5 17:34:08 CEST 2012

Responding to my own question here.
It appears I had overlooked the results from my sample script, as they 
in fact do contain srcref data, but simply do not show them up in str():

f <- textConnection(
f <- function(){}

setGeneric('myfun', function(x, ...) standardGeneric('myfun'))

setMethod('myfun', 'numeric', function(x, ...){ 'myfun,numeric' })
source(f, keep.source=TRUE)

# there are srcref data for functions
# no srcref data
str(attr(myfun, 'srcref'))
str(attr(selectMethod(myfun, 'numeric'), 'srcref'))

So no worries.


Renaud Gaujoux
Computational Biology - University of Cape Town
South Africa

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