code: function(index) {
      var rule = this.resolvers[index];
      if (rule.passes === true) {
        this.passed.push(rule);
      } else if (rule.passes === false) {
        this.failed.push(rule);
        this.onFailedOne(rule);
      }
  
      this.fire();
    }
docs: Resolve given index
  
  @param  {integer} index
  @return {void}