index.js
function memoize(key, val) {
  if (cache.hasOwnProperty(key)) {
    return cache[key];
  }
  return (cache[key] = val);
}
function memoize(key, val) {
  if (cache.hasOwnProperty(key)) {
    return cache[key];
  }
  return (cache[key] = val);
}
function memoize ( key , val ) { if ( cache . hasOwnProperty ( key ) ) { return cache [ key ] ; } return ( cache [ key ] = val ) ; }
Delimiter-related utils
Delimiter - related utils