Binary::it_exported_symbols Binary::exported_symbols() {
  return {symbols_, [] (const std::unique_ptr<Symbol>& symbol) {
    return is_exported(*symbol); }
  };
}
Binary::it_exported_symbols Binary::exported_symbols() {
  return {symbols_, [] (const std::unique_ptr<Symbol>& symbol) {
    return is_exported(*symbol); }
  };
}