Sublime

Ruby is an object-oriented language,

And there’s an attr_writer method, too: class Ticket attr_writer :price end With that single line, we wrote (or, rather, Ruby wrote for us) our price= setter method. One line takes the place of three. In the case of the reader methods, one line took the place of nine!

Examples of Ruby expressions and the values to which they evaluate

Note, however, that the Ruby convention is to use underscores rather than camel case when composing local variable names from multiple words—for example, first_name rather than firstName.