acutmore

// !!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
// this approach fails to handle cycles
// next attempt: https://gist.github.com/acutmore/d1aaaff27c898fdd26b2e15de5c2f7c6

const {Tuple, FakeSymbol} = ToyTupleLib();
const Box = BoxLib(FakeSymbol);
const TupleWeakMap = TupleWeakMapLib(Tuple, FakeSymbol, v => FakeSymbol.isFakeSymbol(v));

const wm = new TupleWeakMap();

acutmore

/** @param promises {Array<Promise<unknown>>} */
export async function * onSettled(promises) {
    let wake;
    let wait = new Promise(_ => wake = _);
    let pending = promises.length;
    const queue = [];

    for (const p of promises) {
        Promise.allSettled([p]).then(([result]) => {
            queue.push(result);

acutmore

Immutability is Equality's support act [hackmd]

When considering the design of the Record & Tuple proposal a core driver in much of the design stems primarily from equality rather than immutability.

Categorizing equality

There are many ways to think about equality but one way to divide up the design space is two dimensions.

	pure	impure