code: function(model) {
      for (var i = 0; i < filterFunctions.length; i++) {
        if (!filterFunctions[i](model)) {
          return false;
        }
      }
      return true;
    }
docs: Iterate through each of the generated filter functions. If any are false, kill the computation and return false. The function is only true if all of the subfunctions are true.