Programming How to Type a Higher Order Function in Typescript 2 Given a higher order function like the following: function higherOrderFunction(a:number, b: number) { return (a: number): number => { return a*b } } we can type the function return as a type type HigherOrderFunction

Programming How to Type a Higher Order Function in Typescript Given a higher order function like the following: function higherOrderFunction(a:number, b: number) { return (a: number): number => { return a*b } } This causes a problem when typing the function as typing in

Programming What is a Pure function? Explained simply with examples Pure functions are deterministic Pure functions only care about their input They keep state local. Pure functions do not reference any external values. This means that pure functions will always produce the same