exercises-in-programming-style/08-letterbox/README.md

Style #8

Constraints:

• The larger problem is decomposed into 'things' that make sense for the problem domain

• Each 'thing' is a capsule of data that exposes one single procedure, namely the ability to receive and dispatch messages that are sent to it

• Message dispatch can result in sending the message to another capsule

Possible names:

• Letterbox
• Messaging style
• Objects
• Actors