Function isIterable

docs/app/js/sanddance-app.js:55288–55290

(x)

    return isObject(x) && isFunction(x.then);
};
var isIterable = function isIterable(x) {
    return x && typeof x[Symbol.iterator] === "function";
};
var isAsyncIterable = function isAsyncIterable(x) {
    return x && typeof x[Symbol.asyncIterator] === "function";
};