How to properly document S4 “[” and “[<-“ methods using roxygen?

Question

Below I posted a mini example in which I want do write documentation for an “[“ method for a S4 class. Does someone know how to properly document a method for t

Answer 1

As of roxygen2 >3.0.0, you no longer need work arounds and only need:

#' Extract parts of testClass.
#'
setMethod("[", signature(x = "testClass", i = "ANY", j="ANY"),
  function (x, i, j, ..., drop){
    print("void function")
  }
)