import { assertEquals } from 'https://deno.land/std/testing/asserts.ts';
import { makeDecorator } from 'https://deno.land/x/enzastdlib/decorators/mod.ts';

type MyDecoratorValue = number;

const mydecorator = makeValidator<MyDecoratorValue>((func, value) => {
    // Our `Decorator` object provides simplified access to scoped metadata. So
    // we can use it to assign the initialization metadata to the function.
    mydecorator.set(func, value);
});

// We are initializing the decorator onto our desired function with some metadata.
mydecorator(my_func, 42);
function my_func() {
    console.log('Hello World!');
}

assertEquals(
    mydecorator.has(my_func),
    true,
);

assertEquals(
    mydecorator.get(my_func),
    42,
);