defaultResult method

T? defaultResult()
inherited

Gets the default value returned by visitor methods. This value is returned by the default implementations of {@link #visitTerminal visitTerminal}, {@link #visitErrorNode visitErrorNode}. The default implementation of {@link #visitChildren visitChildren} initializes its aggregate result to this value.

The base implementation returns null.

@return The default value returned by visitor methods.

Implementation

T? defaultResult() {
  return null;
}