Comprehensive Ruby Programming

Named arguments

Additionally, Ruby gives us the ability to name our arguments. This can be helpful when you have method signatures with a number of arguments and you want the method calls to be explicit. Here is how you can use named arguments in Ruby:

def print_address city:, state:, zip:   puts city   puts state   puts zip end print_address city: "Scottsdale", state: "AZ", zip: "85251" 

If you run this code, it will work properly.

So why are named arguments helpful? I think the easiest way to answer that question is to update our code and remove the named components. That code would look like this:

def print_address city, state, zip  puts city ...