search for: my_generic

...In this example, I would like to call NextMethod() from my `child` object, have `cols` be left untouched, and then substitute(cols) in the parent method. It works when you use a `parent` object (as expected), but I would have also expected to get `mpg` back when calling it from the `child` method. my_generic <- function(x, cols) { UseMethod("my_generic") } my_generic.parent <- function(x, cols) { substitute(cols) } my_generic.child <- function(x, cols) { NextMethod() } obj_parent <- structure(mtcars, class = c("parent", class(mtcars))) obj_child <- structure(obj...

Hi, Could anyone point me to how to write a generator in Ruby? I was going through code in ruby files at \rails-1.1.2\lib\rails_generatorand found that it reads gems specification to look for generator s present on the system. The way there are tutorials on how to create plugins for Rails, are there any for Generators? At the end of it I should be able to do something like this ruby