addNode method

*[<Null safety>](https://dart.dev/null-safety)*

• @override

int addNode (String name, Vnode node)

override

Adds a directory entry associating the given name with node. It is ok to add the same Vnode multiple times with different names.

Returns ZX.OK on success. Returns ZX.ERR_INVALID_ARGS if name is illegal object name. Returns ZX.ERR_ALREADY_EXISTS if there is already a node with the given name.

Implementation

@override
int addNode(String name, Vnode node) {
  if (_inheritedNodes.contains(name)) {
    return ZX.ERR_ALREADY_EXISTS;
  } else {
    return super.addNode(name, node);
  }
}