code: function fetchCache(target, cache) {
          var x,
              length = cache.length,
              curr;
  
          for (x = 0; x < length; x += 1) {
              curr = cache[x];
              if (curr.target === target) {
                  return curr.inspect;
              }
          }
  
          return null;
      }
docs: Fetches an already inspected target from the cache.
  Returns null if not in the cache.
  
  @param {Object|Function} target The instance or constructor.
  @param {Array}           cache  The cache
  
  @return {Object|Function} The inspected target