Awaited example from docs (TypeScript 4.5 article)

errorTS44.txt

// Error!
//
//    [number | Promise<100>, number | Promise<200>]
//
// is not assignable to type
//
//    [number, number]

exampleFromDocs1.ts

declare function MaybePromise<T>(value: T): T | Promise<T> | PromiseLike<T>;

exampleFromDocs2.ts

async function doSomething(): Promise<[number, number]> {
 const result = await Promise.all([MaybePromise(100), MaybePromise(200)]);
 return result;
}

exampleFromDocsComplete.ts

declare function MaybePromise<T>(value: T): T | Promise<T> | PromiseLike<T>;
async function doSomething(): Promise<[number, number]> {
 const result = await Promise.all([MaybePromise(100), MaybePromise(200)]);
 return result;
}