code: function setHostBindings(bindings) {
      if (bindings != null) {
          var defs = tView.directives;
          for (var i = 0; i < bindings.length; i += 2) {
              var dirIndex = bindings[i];
              var def = defs[dirIndex];
              def.hostBindings && def.hostBindings(dirIndex, bindings[i + 1]);
          }
      }
  }
docs: Sets the host bindings for the current view.