TypeScript Quick Start Tutorial, Union Type & Cross Type & Type Protection for Mobile Client Developers

Joint and cross types are actually a very common case in life. Cucumber, do you think he is a fruit or vegetable?Does tomato belong to fruit or vegetable?So what about fruit cucumbers? In fact, if we just look at cucumbers and tomatoes, it can be considered as either fruit or vegetable. In fact, it is decided by the scene that I want to c ...

Added by coldfiretech on Fri, 03 Sep 2021 04:15:40 +0300