Displaying 1 result from an estimated 1 matches for "dontwantme".
2002 Jan 04
2
Problem with "missing" in "local" (PR#1241)
Hi everyone,
I encountered unexpected behaviour when calling "missing" within a
"local" environment, namely
fred <- function(x, y)
{
x <- as.vector(x)
local({
dontwantme <- 1:100
if (missing(y)) print("No \"y\" today")
})
x
}
whereupon I get
> fred(1:10)
Error in eval(expr, envir, enclos) : "missing" illegal use of missing
I think it is reasonable to expect missing to work in this context (I
suspect the problem relates...