import { Observable } from "rxjs";

const observable = new Observable((s) => {
  s.next('HALLO', 1234);
  s.next('WELT', 1336);
});

observable.subscribe((...args) => console.log(...args));

function f<T>(func: T) {
  console.log("f(): registered");
  return func
}


export const x = f((a: number, b: number) => {
  return a + b
})

x(1, 1)