get method

Implementation

@override
Object? get(Token name) {
  if (name.lexeme == "builder") {
    return GridViewBuilder();
  } else if (name.lexeme == "count") {
    return GridViewCoundBuilder();
  } else if (name.lexeme == "extent") {
    return GridViewExtentBuilder();
  }
  throw "Unknown property: ${name.lexeme}";
}