Generic type guard in Typescript

Generic type guard in Typescript

Writing a generic type guard in Typescript, and what I learned from it Introduction Introducing t...概要を表示 Writing a generic type guard in Typescript, and what I learned from it Introduction Introducing the Constructor type signature Extending the type guard to work for primitive types Putting it all together In summary Sources Addendum Introduction I recently had a problem at work which stemmed from a function assuming its input is of one type, while in fact it sometimes could be of a different type.