%+=%.bandicoot_oop {bandicoot}

S3 method of in-place addition operator of a bandicoot_oop object

Description

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

Usage

## S3 method for class '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$age <- age
                })
register_method(COMPANY,
                ..iadd.. = function(y) {
                  self$name <- c(self$name, y$name)
                  self$age <- c(self$age, y$age)
                })

good_company <- company(c("patrick", "james"),
                        c(33, 34))
bad_company <- company(c("pat", "jam"),
                       c(3, 4))
good_company %+=% bad_company
good_company$name