R/foo.R

In yujijun/Buildpackage_test: Generage an new R package easily

#' A brief introduction to this function.
#' @param x1 this is the first parameter of this function
#' @param x2
#' @return explain what is returned by this function.
#' @export
#' @examples foo()
foo <- function(x1 = 2, x2 = 21) {
  y <- x1 * x2
  return(y)
}