Generics Tutorial in Typescript

Posted in Uncategorized

In this Generics tutorial in Typescript, consider the following logger function that takes type of “any” …

No question this works. But can we do better than to use the “any” type.

Here we use the generic type variable T …

This variable T takes a type which we give to it in line 8 and 9 as type “string” or “number”.

More commonly, we leave that part out, because the compiler can infer the type from the argument type. It knows that “greeting” is a string and “answer” is a “number”. So we simply write …

---