typescript arrow function generic

What does the <T> mean? That is TypeScript's Generics declaration. Excerpt: A major part of software engineering is building components that not only have well-defined and consistent APIs, but are also reusable. Components that are capable of working on the data of today as well as the data of tomorrow will give you the most flexible capabilities for building up large software systems. In ... TypeScript's instanceof shares the same problems. As it is a language which is still in its development I recommend you to state a proposal of such facility. See also: MDN: instanceof TypeScript's docs: instanceof Narrowing, which shows how instanceof can be used to narrow things Generic classes and functions are one way to create flexible, reusable classes and functions. But before you start creating your own generic functions, you should be clear on when they’re your best ... Visual Studio Magazine: Create Factory Functions in TypeScript for Creating Multiple Classes In TypeScript, you can define a function that, when passed a set of parameters, creates and returns a correctly configured object. One of the parameters passed to the function must be the class of the ...