The Ruby counter-example would be even better if it used `Struct` instead of a bare Class: https://ruby-doc.org/core/Struct.html https://ruby-doc.org/core/Struc

The Ruby counter-example would be even better if it used `Struct` instead of a bare Class: https://ruby-doc.org/core/Struct.html https://ruby-doc.org/core/Struct.html e.g. User = Struct.new(:email, :first_name, :last_name) or to specify them in any order via kw args: User = Struct.new(:email, :first_name, :last_name, keyword_init=true)