const table: Table<{ element: anyfunc, initial: 1 }>;
// lambda keyword is used to indicate a function type which is used as a lambda/closure
type Fun = () => i32;
type Type = Lambda<Fun>;

function getClosure(): Type {
  // close over two locals
  let x: i32 = 1;
  let y: i32 = 1;
  // Closures/Lambdas are defined as annonymous arrow functions
  return (): i32 => {
    x += y;
    return x;
  }
}

export function test(): i32 {
  const closure: Type = getClosure();
  closure();
  closure();
  closure();
  // should be 5
  const x: i32 = closure();
  const closure2: Type = getClosure();
  // should be 2
  const y: i32 = closure2();

  // should be 7
  return x + y;
}