Hello R-devel,
I am currently attempting to implement an API similar to data.table wherein
single bracket subsetting can accept an unquoted expression to be evaluated in
the context of my object.
A simple example from the data.table package looks like this:
DT <- data.table(col1 = c('a', 'b',
When I run R CMD check on the survival package I invariably get a note:
...
* checking for file ‘survival/DESCRIPTION’ ... OK
* this is package ‘survival’ version ‘3.2-6’
* checking CRAN incoming feasibility ... NOTE
Maintainer: ‘Terry M Therneau ’
...
This is sufficient for the auto-check process
Dear Terry,
You misunderstand the note. The problem is that your tar.gz is too
large. The critical bit is:
Size of tarball: 7528635 bytes
The CRAN repository policies state:
"Packages should be of the minimum necessary size. Reasonable
compression should be used for data (not just .rda files) and
This works as expected:
"[.foo" <- function(x, i, j) {
sx <- substitute(x)
si <- substitute(i)
sj <- substitute(j)
100 * length(sx) + 10 * length(si) + length(sj)
}
x <- 1:10
class(x) <- "foo"
x[y == z, a(x)]
#> [1] 132
Note in your implementation you ask the function evaluate the
expres
