function () {
        if (4 == arguments.length) {
          // key request
          redis.set(arguments[0], arguments[1], () => {
            redis.expire(arguments[0], arguments[2], arguments[3]);
          });
        }
      }
function () {
        if (4 == arguments.length) {
          
          redis.set(arguments[0], arguments[1], () => {
            redis.expire(arguments[0], arguments[2], arguments[3]);
          });
        }
      }
function ( ) { if ( 4 == arguments . length ) { // key request redis . set ( arguments [ 0 ] , arguments [ 1 ] , ( ) => { redis . expire ( arguments [ 0 ] , arguments [ 2 ] , arguments [ 3 ] ) ; } ) ; } }
for setting volatile data with an expiration date
for setting volatile data with an expiration date