text: /** @module cscheid/time */
  
  // import * as cscheid from "../cscheid.js";
  
  const epoch = Date.now();
  
  /**
   * Returns wall-clock time in seconds since beginning of program
   * @return {number} number of seconds since program started
   */
  export function elapsed() {
    return (Date.now() - epoch) / 1000;
  }
  