On 13-02-16 10:19 AM, Hadley Wickham wrote:
On Sat, Feb 16, 2013 at 12:24 AM, Bert Gunter <gunter.ber...@gene.com> wrote:
As there has been no response to this ...
Why not simply:
g <- substitute(f(x),list(f=function(x){x+1})) ## with curly braces
g
function (x)
{
x + 1
}(x)
x <- 2
eval(g)
[1] 3
Thomas Lumley sent me a similar suggestion off-list; but I'm not
complaining about how it works; my example executed fine. I'm
complaining that the rendering of the call object is misleading.
Even with the braces it's misleading, in that
y <- function (x)
{
x + 1
}(x)
is evaluated to define y to be a function with body
{
x + 1
}(x)
which is syntactically valid, but not the same as the thing being deparsed.
Duncan Murdoch
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