State Pattern (Nomnoml)
A context delegating to interchangeable states.
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Make it your own.
[Context]o->[State|+handle()]
[ConcreteStateA]-:>[State]
[ConcreteStateB]-:>[State]
A context delegating to interchangeable states.
[Context]o->[State|+handle()]
[ConcreteStateA]-:>[State]
[ConcreteStateB]-:>[State]