Making Microwave Ovens
To make an object, you create a factory, then call its new() method. Note that you don't need to define this method; all factories have a new() method by default.
a_thing <- thing_factory$new()
This exercise is part of the course
Object-Oriented Programming with S3 and R6 in R
Exercise instructions
The microwave_oven_factory variable from the last exercise is in your workspace.
- View the
microwave_oven_factory. - Create a new
MicrowaveOvenobject and assign it to the variablemicrowave_oven.
Hands-on interactive exercise
Have a go at this exercise by completing this sample code.
# View the microwave_oven_factory
microwave_oven_factory
# Make a new microwave oven
microwave_oven <- ___