add_list: Add a new element to a list

In yihui/rmini: A Minimal R Package as an Example of Writing R Packages

Description

This is an S3 generic function for + with the class Foo.

Usage

## S3 method for class 'Foo'
x + y

Arguments

x	a list with class Foo
y	an arbitrary R object

Value

A list with y being added to x as its last element.

Author(s)

Yihui Xie <http://yihui.name>

Examples

structure(list(1), class = "Foo") + 2

z = list("a")
class(z) = "Foo"
z + letters
z + 5 + matrix(1:4, 2)  # you can add arbitrary objects to z

methods("+")  # check the methods on +

yihui/rmini documentation built on May 3, 2021, 4:26 a.m.