Hi,
On Thursday 20 September 2007, Gabor Grothendieck wrote:
> 1. Is there some way to copy a promise so that the copy has the same
> expression in its promise as the original.
As far as I am aware (which is not very far at all), there is no way to do
this in R code. However, it's fairly simple
1. Is there some way to copy a promise so that the copy has the same
expression in its promise as the original. In the following we
y is a promise that we want to copy to z. We
want z to be a promise based on the expression x since y is a
promise based on the expression x. Thus the answer to the