摘要：
Refer to: https://stately.ai/docs/actor-model What defines an “actor”? Actors are independent “live” objects that can communicate with each other via 阅读全文
摘要：
Problem to Solve Reparesent a value that is immutable and distinct from other objects based on its properties rather than its identity. Solution Creat 阅读全文
摘要：
Problem to Solve Share functionality between classes without using inheritance. Solution Create a class containing methods that can be used by other c 阅读全文