User Guide #28 - Ruby - Nuts and bolts This chapter addresses a few practical issues. Statement delimiters Some languages require some kind of punctuation, often a semicolon ( ; ), to end each statement in a pro…

User Guide #27 - Ruby - Object initialization Our Fruit class from the previous chapter had two instance variables, one to describe the kind of fruit and another to describe its condition. It was only after writing a custom inspect meth…

User Guide #26 - Ruby - Accessors What is an accessor? We briefly discussed instance variables in an earlier chapter, but haven't done much with them yet. An object's instance variables are its attributes, the things…