clone method

@override HTDeclarationNamespace<T> clone()

Create a copy of this declaration, mainly used on class member inheritance and function arguments passing.

Implementation

@override
HTDeclarationNamespace<T> clone() {
  final cloned = HTDeclarationNamespace<T>(
      lexicon: lexicon,
      id: id,
      classId: classId,
      closure: closure,
      source: source);
  cloned.symbols.addAll(symbols);
  cloned.imports.addAll(imports);
  cloned.exports.addAll(exports);
  cloned.importedSymbols.addAll(importedSymbols);
  return cloned;
}