waynevanson · April 17, 2021 23:52
diff --git a/type-class-example.ts b/type-class-example.ts
 // defined in fp-ts
 export interface Functor<F> {
  map:  <A,B>(f: (a:A) => B) => (fa: HKT<F,A>) => HKT<F,B>
 }
  
 // How it looks in an array
 export interface FunctorArray extends Functor<"Array"> {
  map:  <A,B>(f: (a:A) => B) => (fa: Array<A>) => Array<B>
 }
	// defined in fp-ts
	export interface Functor<F> {
	map: <A,B>(f: (a:A) => B) => (fa: HKT<F,A>) => HKT<F,B>
	}

	// How it looks in an array
	export interface FunctorArray extends Functor<"Array"> {
	map: <A,B>(f: (a:A) => B) => (fa: Array<A>) => Array<B>
	}