gistfile1.js

OutgoingMessage.prototype.end = function(data, encoding) {
  if (this.finished) {
    return false;
  }
  if (!this._header) {
    this._implicitHeader();
  }

  if (data && !this._hasBody) {
    debug('This type of response MUST NOT have a body. ' +
          'Ignoring data passed to end().');
    data = false;
  }