S3 method of addition operator of a bandicoot_oop object

This function performs the addition operator using the ..add..() method. If it is not applicable, error will be raised.

Usage

# S3 method for bandicoot_oop
%+%(x, y)

Arguments

x

bandicoot_oop object.

y

Another object.

Value

Depends on the method.

Examples

COMPANY <- new_class(class_name = "COMPANY")
company <- COMPANY$instantiate
register_method(COMPANY,
                ..init.. = function(name, age) {
                  self$name <- name
                  self$age <- age
                })
register_method(COMPANY,
                ..add.. = function(y) {
                  company(c(self$name, y$name),
                          c(self$age, y$age))
                })

good_company <- company(c("patrick", "james"),
                        c(33, 34))
bad_company <- company(c("pat", "jam"),
                       c(3, 4))
new_company <- good_company %+% bad_company
new_company$name
#> [1] "patrick" "james"   "pat"     "jam"