pub-src-redis.js
function clear(options, cb) {
    if (typeof options === 'function') { cb = options; options = {}; }
    debug('clear ' + key);
    connect();
    redis.del(key, cb);
  }
function clear(options, cb) {
    if (typeof options === 'function') { cb = options; options = {}; }
    debug('clear ' + key);
    connect();
    redis.del(key, cb);
  }
function clear ( options , cb ) { if ( typeof options === 'function' ) { cb = options ; options = { } ; } debug ( 'clear ' + key ) ; connect ( ) ; redis . del ( key , cb ) ; }
redis-specific api - used for testing
redis - specific api - used for testing