Function isAsyncFunction

crates/celld/js/node_stream.js:104–105

(v)

  const promisify = Symbol.for("nodejs.util.promisify.custom");
  const isArrayBufferView = (v) => ArrayBuffer.isView(v);
  const isAsyncFunction = (v) =>
    Object.prototype.toString.call(v) === "[object AsyncFunction]";
  const debuglog = () => () => {};
  const inspect = (v) => {
    if (typeof v === "string") return `'${v}'`;