More than just convenience of expression, it guards against "impossible states." This article[1] does a good job of explaining it. [1] https://dev.to/davidkpia

More than just convenience of expression, it guards against "impossible states." This article[1] does a good job of explaining it. [1] https://dev.to/davidkpiano/you-don-t-need-a-library-for-state-machines-k7h https://dev.to/davidkpiano/you-don-t-need-a-library-for-stat...