How to properly document a S3 method of a generic from a different package, using Roxygen?

Question

I am writing a package that defines a new class, surveyor, and a print method for this, i.e. print.surveyor. My code works fine and I use roxygen

Answer 1

@export only works if the generic is loaded. If the generic is in another package you need to import the generic. With current roxygen this is solved with a block like

#' @importFrom tibble data_frame
#' @export
tibble::data_frame

taken from dplyr/R/reexport-tibble.r . In this example, the data_frame method is imported from the tibble package, and tibble::data_frame is exported. Such re-exported objects are then documented in a reexports.Rd file that - needless to say - satisfies R CMD check.