On 13/03/2016 9:54 AM, Henrik Bengtsson wrote:
Just checking in to see whether it is intended or not that assigning
new formals to a function/closure causes any attributes to be dropped:
For srcref, yes. Changing the formals or body of a function would
usually make them invalid.
I think it
Just checking in to see whether it is intended or not that assigning
new formals to a function/closure causes any attributes to be dropped:
EXAMPLE:
> fcn <- structure(function() {}, foo="foo", class=c("foo"))
> str(fcn)
function ()
- attr(*, "srcref")=Class 'srcref' atomic [1:8] 1 18 1 30 18
