Sort a list of objects by using their attributes in Ruby

Question

I have a list of Fruit structs called basket. Each Fruit struct has a name (a string) and a calories (an int

Answer 1

The easy solution is

basket.sort_by { |f| [-f.calories, f.name] }

Of course, if this is the canonical sort order for fruit then it should be defined using the <=> method and with the Comparable module mixed into Fruit