Displaying 1 result from an estimated 1 matches for "tp4644957p4644965".
2012 Oct 04
2
How to build a list with missing values? What is missing, anyway?
This is tangentially related to Hadley's question.
Suppose I'm building a function programmatically; I have assembled an
expression for the body and I know the names of the arguments it wants
to take.
Suppose I have some convenience function such that writing
make_function(alist(a=, b=), quote(a+b), environment())
is equivalent to writing
function(a,b) a+b
So how do I make the