armanriazi•rust•concept•oop•state•pattern

ArmanRiazi answered on June 5, 2022 Popularity 1/10 Helpfulness 1/10

answer armanriazi•rust•concept•oop•state•pattern

armanriazi•rust•concept•oop•state•pattern

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Using the state pattern means when the business requirements of the program change, we won’t need to change the code of the value holding the state or the code that uses the value. We’ll only need to update the code inside one of the state objects to change its rules or perhaps add more state objects.
e.g Post type. This type will use the state pattern and will hold a value that will be one of three state objects representing the various states a post can be in—draft, waiting for review, or published. Changing from one state to another will be managed internally within the Post type. The states change in response to the methods called by our library’s users on the Post instance, but they don’t have to manage the state changes directly. Also, users can’t make a mistake with the states, like publishing a post before it’s reviewed.

Popularity 1/10 Helpfulness 1/10 Language rust

Source: github.com

Tags: rust

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Contributed on Jun 05 2022

ArmanRiazi

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