LibGUI: Remove Menu::try_add_separator()

And fall back to the infallible add_separator().

Userland/Applications/Calendar/CalendarWidget.cpp

@@ -90,7 +90,7 @@ ErrorOr<NonnullRefPtr<CalendarWidget>> CalendarWidget::create(GUI::Window* paren
     file_menu.add_action(save_as_action);
     file_menu.add_action(save_action);
 
-    TRY(file_menu.try_add_separator());
+    file_menu.add_separator();
 
     TRY(file_menu.try_add_action(GUI::CommonActions::make_quit_action([](auto&) {
         GUI::Application::the()->quit();

Userland/Applications/DisplaySettings/BackgroundSettingsWidget.cpp

@@ -83,7 +83,7 @@ ErrorOr<void> BackgroundSettingsWidget::create_frame()
     });
     m_context_menu->add_action(*m_show_in_file_manager_action);
 
-    TRY(m_context_menu->try_add_separator());
+    m_context_menu->add_separator();
     m_copy_action = GUI::CommonActions::make_copy_action(
         [this](auto&) {
             auto wallpaper = m_monitor_widget->wallpaper();

Userland/Applications/FileManager/main.cpp

@@ -512,23 +512,23 @@ ErrorOr<int> run_in_desktop_mode()
     TRY(desktop_view_context_menu->try_add_action(directory_view->mkdir_action()));
     TRY(desktop_view_context_menu->try_add_action(directory_view->touch_action()));
     TRY(desktop_view_context_menu->try_add_action(paste_action));
-    TRY(desktop_view_context_menu->try_add_separator());
+    desktop_view_context_menu->add_separator();
     TRY(desktop_view_context_menu->try_add_action(file_manager_action));
     TRY(desktop_view_context_menu->try_add_action(open_terminal_action));
-    TRY(desktop_view_context_menu->try_add_separator());
+    desktop_view_context_menu->add_separator();
     TRY(desktop_view_context_menu->try_add_action(display_properties_action));
 
     auto desktop_context_menu = TRY(GUI::Menu::try_create("Directory View Directory"_string));
 
     TRY(desktop_context_menu->try_add_action(file_manager_action));
     TRY(desktop_context_menu->try_add_action(open_terminal_action));
-    TRY(desktop_context_menu->try_add_separator());
+    desktop_context_menu->add_separator();
     TRY(desktop_context_menu->try_add_action(cut_action));
     TRY(desktop_context_menu->try_add_action(copy_action));
     TRY(desktop_context_menu->try_add_action(paste_action));
     TRY(desktop_context_menu->try_add_action(directory_view->delete_action()));
     TRY(desktop_context_menu->try_add_action(directory_view->rename_action()));
-    TRY(desktop_context_menu->try_add_separator());
+    desktop_context_menu->add_separator();
     TRY(desktop_context_menu->try_add_action(properties_action));
 
     RefPtr<GUI::Menu> file_context_menu;
@@ -1014,9 +1014,9 @@ ErrorOr<int> run_in_windowed_mode(DeprecatedString const& initial_location, Depr
     TRY(file_menu->try_add_action(touch_action));
     TRY(file_menu->try_add_action(focus_dependent_delete_action));
     TRY(file_menu->try_add_action(directory_view->rename_action()));
-    TRY(file_menu->try_add_separator());
+    file_menu->add_separator();
     TRY(file_menu->try_add_action(properties_action));
-    TRY(file_menu->try_add_separator());
+    file_menu->add_separator();
     TRY(file_menu->try_add_action(GUI::CommonActions::make_quit_action([](auto&) {
         GUI::Application::the()->quit();
     })));
@@ -1025,7 +1025,7 @@ ErrorOr<int> run_in_windowed_mode(DeprecatedString const& initial_location, Depr
     TRY(edit_menu->try_add_action(cut_action));
     TRY(edit_menu->try_add_action(copy_action));
     TRY(edit_menu->try_add_action(paste_action));
-    TRY(edit_menu->try_add_separator());
+    edit_menu->add_separator();
     TRY(edit_menu->try_add_action(select_all_action));
 
     auto show_dotfiles_in_view = [&](bool show_dotfiles) {
@@ -1051,12 +1051,12 @@ ErrorOr<int> run_in_windowed_mode(DeprecatedString const& initial_location, Depr
     TRY(layout_menu->try_add_action(*layout_statusbar_action));
     TRY(layout_menu->try_add_action(*layout_folderpane_action));
 
-    TRY(view_menu->try_add_separator());
+    view_menu->add_separator();
 
     TRY(view_menu->try_add_action(directory_view->view_as_icons_action()));
     TRY(view_menu->try_add_action(directory_view->view_as_table_action()));
     TRY(view_menu->try_add_action(directory_view->view_as_columns_action()));
-    TRY(view_menu->try_add_separator());
+    view_menu->add_separator();
     TRY(view_menu->try_add_action(show_dotfiles_action));
 
     auto go_to_location_action = GUI::Action::create("Go to &Location...", { Mod_Ctrl, Key_L }, Key_F6, TRY(Gfx::Bitmap::load_from_file("/res/icons/16x16/go-to.png"sv)), [&](auto&) {
@@ -1072,7 +1072,7 @@ ErrorOr<int> run_in_windowed_mode(DeprecatedString const& initial_location, Depr
     TRY(go_menu->try_add_action(open_child_directory_action));
     TRY(go_menu->try_add_action(go_home_action));
     TRY(go_menu->try_add_action(go_to_location_action));
-    TRY(go_menu->try_add_separator());
+    go_menu->add_separator();
     TRY(go_menu->try_add_action(directory_view->open_terminal_action()));
 
     auto help_menu = TRY(window->try_add_menu("&Help"_string));
@@ -1177,7 +1177,7 @@ ErrorOr<int> run_in_windowed_mode(DeprecatedString const& initial_location, Depr
     TRY(directory_context_menu->try_add_action(directory_open_action));
     TRY(directory_context_menu->try_add_action(open_in_new_window_action));
     TRY(directory_context_menu->try_add_action(open_in_new_terminal_action));
-    TRY(directory_context_menu->try_add_separator());
+    directory_context_menu->add_separator();
     TRY(directory_context_menu->try_add_action(cut_action));
     TRY(directory_context_menu->try_add_action(copy_action));
     TRY(directory_context_menu->try_add_action(copy_path_action));
@@ -1186,21 +1186,21 @@ ErrorOr<int> run_in_windowed_mode(DeprecatedString const& initial_location, Depr
     TRY(directory_context_menu->try_add_action(directory_view->rename_action()));
     TRY(directory_context_menu->try_add_action(shortcut_action));
     TRY(directory_context_menu->try_add_action(create_archive_action));
-    TRY(directory_context_menu->try_add_separator());
+    directory_context_menu->add_separator();
     TRY(directory_context_menu->try_add_action(properties_action));
 
     TRY(directory_view_context_menu->try_add_action(mkdir_action));
     TRY(directory_view_context_menu->try_add_action(touch_action));
     TRY(directory_view_context_menu->try_add_action(paste_action));
     TRY(directory_view_context_menu->try_add_action(directory_view->open_terminal_action()));
-    TRY(directory_view_context_menu->try_add_separator());
+    directory_view_context_menu->add_separator();
     TRY(directory_view_context_menu->try_add_action(show_dotfiles_action));
-    TRY(directory_view_context_menu->try_add_separator());
+    directory_view_context_menu->add_separator();
     TRY(directory_view_context_menu->try_add_action(properties_action));
 
     TRY(tree_view_directory_context_menu->try_add_action(open_in_new_window_action));
     TRY(tree_view_directory_context_menu->try_add_action(open_in_new_terminal_action));
-    TRY(tree_view_directory_context_menu->try_add_separator());
+    tree_view_directory_context_menu->add_separator();
     TRY(tree_view_directory_context_menu->try_add_action(mkdir_action));
     TRY(tree_view_directory_context_menu->try_add_action(touch_action));
     TRY(tree_view_directory_context_menu->try_add_action(cut_action));
@@ -1208,7 +1208,7 @@ ErrorOr<int> run_in_windowed_mode(DeprecatedString const& initial_location, Depr
     TRY(tree_view_directory_context_menu->try_add_action(copy_path_action));
     TRY(tree_view_directory_context_menu->try_add_action(paste_action));
     TRY(tree_view_directory_context_menu->try_add_action(tree_view_delete_action));
-    TRY(tree_view_directory_context_menu->try_add_separator());
+    tree_view_directory_context_menu->add_separator();
     TRY(tree_view_directory_context_menu->try_add_action(properties_action));
 
     RefPtr<GUI::Menu> file_context_menu;

Userland/Applications/FontEditor/MainWidget.cpp

@@ -738,7 +738,7 @@ ErrorOr<void> MainWidget::initialize_menubar(GUI::Window& window)
     TRY(file_menu->try_add_action(*m_open_action));
     TRY(file_menu->try_add_action(*m_save_action));
     TRY(file_menu->try_add_action(*m_save_as_action));
-    TRY(file_menu->try_add_separator());
+    file_menu->add_separator();
     TRY(file_menu->add_recent_files_list([this](auto& action) {
         if (!request_close())
             return;
@@ -758,14 +758,14 @@ ErrorOr<void> MainWidget::initialize_menubar(GUI::Window& window)
     auto edit_menu = TRY(window.try_add_menu("&Edit"_string));
     TRY(edit_menu->try_add_action(*m_undo_action));
     TRY(edit_menu->try_add_action(*m_redo_action));
-    TRY(edit_menu->try_add_separator());
+    edit_menu->add_separator();
     TRY(edit_menu->try_add_action(*m_cut_action));
     TRY(edit_menu->try_add_action(*m_copy_action));
     TRY(edit_menu->try_add_action(*m_paste_action));
     TRY(edit_menu->try_add_action(*m_delete_action));
-    TRY(edit_menu->try_add_separator());
+    edit_menu->add_separator();
     TRY(edit_menu->try_add_action(*m_select_all_action));
-    TRY(edit_menu->try_add_separator());
+    edit_menu->add_separator();
     TRY(edit_menu->try_add_action(*m_copy_text_action));
 
     m_context_menu = edit_menu;
@@ -781,12 +781,12 @@ ErrorOr<void> MainWidget::initialize_menubar(GUI::Window& window)
     TRY(layout_menu->try_add_action(*m_show_statusbar_action));
     TRY(layout_menu->try_add_action(*m_show_metadata_action));
     TRY(layout_menu->try_add_action(*m_show_unicode_blocks_action));
-    TRY(view_menu->try_add_separator());
+    view_menu->add_separator();
     TRY(view_menu->try_add_action(*m_open_preview_action));
-    TRY(view_menu->try_add_separator());
+    view_menu->add_separator();
     TRY(view_menu->try_add_action(*m_highlight_modifications_action));
     TRY(view_menu->try_add_action(*m_show_system_emoji_action));
-    TRY(view_menu->try_add_separator());
+    view_menu->add_separator();
     auto scale_menu = TRY(view_menu->try_add_submenu("&Scale"_string));
     scale_menu->set_icon(g_resources.scale_editor);
     TRY(scale_menu->try_add_action(*m_scale_five_action));

Userland/Applications/Help/MainWidget.cpp

@@ -226,7 +226,7 @@ ErrorOr<void> MainWidget::initialize_fallibles(GUI::Window& window)
     TRY(m_context_menu->try_add_action(*m_go_back_action));
     TRY(m_context_menu->try_add_action(*m_go_forward_action));
     TRY(m_context_menu->try_add_action(*m_go_home_action));
-    TRY(m_context_menu->try_add_separator());
+    m_context_menu->add_separator();
     TRY(m_context_menu->try_add_action(*m_copy_action));
     TRY(m_context_menu->try_add_action(*m_select_all_action));
 

Userland/Applications/HexEditor/HexEditorWidget.cpp

@@ -417,7 +417,7 @@ ErrorOr<void> HexEditorWidget::initialize_menubar(GUI::Window& window)
     TRY(file_menu->try_add_action(*m_open_action));
     TRY(file_menu->try_add_action(*m_save_action));
     TRY(file_menu->try_add_action(*m_save_as_action));
-    TRY(file_menu->try_add_separator());
+    file_menu->add_separator();
     TRY(file_menu->add_recent_files_list([&](auto& action) {
         auto path = action.text();
         auto response = FileSystemAccessClient::Client::the().request_file_read_only_approved(&window, path);
@@ -436,17 +436,17 @@ ErrorOr<void> HexEditorWidget::initialize_menubar(GUI::Window& window)
     auto edit_menu = TRY(window.try_add_menu("&Edit"_string));
     TRY(edit_menu->try_add_action(*m_undo_action));
     TRY(edit_menu->try_add_action(*m_redo_action));
-    TRY(edit_menu->try_add_separator());
+    edit_menu->add_separator();
     TRY(edit_menu->try_add_action(GUI::CommonActions::make_select_all_action([this](auto&) {
         m_editor->select_all();
         m_editor->update();
     })));
     TRY(edit_menu->try_add_action(*m_fill_selection_action));
-    TRY(edit_menu->try_add_separator());
+    edit_menu->add_separator();
     TRY(edit_menu->try_add_action(*m_copy_hex_action));
     TRY(edit_menu->try_add_action(*m_copy_text_action));
     TRY(edit_menu->try_add_action(*m_copy_as_c_code_action));
-    TRY(edit_menu->try_add_separator());
+    edit_menu->add_separator();
     TRY(edit_menu->try_add_action(*m_find_action));
     TRY(edit_menu->try_add_action(GUI::Action::create("Find &Next", { Mod_None, Key_F3 }, TRY(Gfx::Bitmap::load_from_file("/res/icons/16x16/find-next.png"sv)), [&](const GUI::Action&) {
         if (m_search_text.is_empty() || m_search_buffer.is_empty()) {
@@ -477,7 +477,7 @@ ErrorOr<void> HexEditorWidget::initialize_menubar(GUI::Window& window)
         set_search_results_visible(true);
         m_editor->update();
     })));
-    TRY(edit_menu->try_add_separator());
+    edit_menu->add_separator();
     TRY(edit_menu->try_add_action(*m_goto_offset_action));
 
     auto view_menu = TRY(window.try_add_menu("&View"_string));
@@ -495,7 +495,7 @@ ErrorOr<void> HexEditorWidget::initialize_menubar(GUI::Window& window)
     TRY(view_menu->try_add_action(*m_layout_toolbar_action));
     TRY(view_menu->try_add_action(*m_layout_search_results_action));
     TRY(view_menu->try_add_action(*m_layout_value_inspector_action));
-    TRY(view_menu->try_add_separator());
+    view_menu->add_separator();
 
     auto bytes_per_row = Config::read_i32("HexEditor"sv, "Layout"sv, "BytesPerRow"sv, 16);
     m_editor->set_bytes_per_row(bytes_per_row);

Userland/Applications/ImageViewer/main.cpp

@@ -309,7 +309,7 @@ ErrorOr<int> serenity_main(Main::Arguments arguments)
     auto file_menu = TRY(window->try_add_menu("&File"_string));
     TRY(file_menu->try_add_action(open_action));
     TRY(file_menu->try_add_action(delete_action));
-    TRY(file_menu->try_add_separator());
+    file_menu->add_separator();
 
     TRY(file_menu->add_recent_files_list([&](auto& action) {
         auto path = action.text();
@@ -328,7 +328,7 @@ ErrorOr<int> serenity_main(Main::Arguments arguments)
     TRY(image_menu->try_add_action(rotate_clockwise_action));
     TRY(image_menu->try_add_action(vertical_flip_action));
     TRY(image_menu->try_add_action(horizontal_flip_action));
-    TRY(image_menu->try_add_separator());
+    image_menu->add_separator();
     TRY(image_menu->try_add_action(desktop_wallpaper_action));
 
     auto navigate_menu = TRY(window->try_add_menu("&Navigate"_string));
@@ -339,12 +339,12 @@ ErrorOr<int> serenity_main(Main::Arguments arguments)
 
     auto view_menu = TRY(window->try_add_menu("&View"_string));
     TRY(view_menu->try_add_action(full_screen_action));
-    TRY(view_menu->try_add_separator());
+    view_menu->add_separator();
     TRY(view_menu->try_add_action(zoom_in_action));
     TRY(view_menu->try_add_action(reset_zoom_action));
     TRY(view_menu->try_add_action(fit_image_to_view_action));
     TRY(view_menu->try_add_action(zoom_out_action));
-    TRY(view_menu->try_add_separator());
+    view_menu->add_separator();
 
     auto scaling_mode_menu = TRY(view_menu->try_add_submenu("&Scaling Mode"_string));
     scaling_mode_menu->set_icon(TRY(Gfx::Bitmap::load_from_file("/res/icons/16x16/scale.png"sv)));
@@ -361,7 +361,7 @@ ErrorOr<int> serenity_main(Main::Arguments arguments)
     TRY(scaling_mode_menu->try_add_action(bilinear_action));
     TRY(scaling_mode_menu->try_add_action(box_sampling_action));
 
-    TRY(view_menu->try_add_separator());
+    view_menu->add_separator();
     TRY(view_menu->try_add_action(hide_show_toolbar_action));
 
     auto help_menu = TRY(window->try_add_menu("&Help"_string));

Userland/Applications/Magnifier/main.cpp

@@ -83,7 +83,7 @@ ErrorOr<int> serenity_main(Main::Arguments arguments)
             warnln("Error saving bitmap to {}: {}", filename, result.error().string_literal());
         }
     })));
-    TRY(file_menu->try_add_separator());
+    file_menu->add_separator();
     TRY(file_menu->try_add_action(GUI::CommonActions::make_quit_action([&](auto&) {
         app->quit();
     })));
@@ -148,7 +148,7 @@ ErrorOr<int> serenity_main(Main::Arguments arguments)
     TRY(view_menu->try_add_action(eight_x_action));
     two_x_action->set_checked(true);
 
-    TRY(view_menu->try_add_separator());
+    view_menu->add_separator();
     TRY(view_menu->try_add_action(pause_action));
     TRY(view_menu->try_add_action(lock_location_action));
     TRY(view_menu->try_add_action(show_grid_action));

Userland/Applications/PDFViewer/PDFViewerWidget.cpp

@@ -220,7 +220,7 @@ ErrorOr<void> PDFViewerWidget::initialize_menubar(GUI::Window& window)
         if (!response.is_error())
             open_file(response.value().filename(), response.value().release_stream());
     })));
-    TRY(file_menu->try_add_separator());
+    file_menu->add_separator();
     TRY(file_menu->add_recent_files_list([&](auto& action) {
         auto response = FileSystemAccessClient::Client::the().request_file_read_only_approved(&window, action.text());
         if (!response.is_error())
@@ -232,11 +232,11 @@ ErrorOr<void> PDFViewerWidget::initialize_menubar(GUI::Window& window)
 
     auto view_menu = TRY(window.try_add_menu("&View"_string));
     TRY(view_menu->try_add_action(*m_toggle_sidebar_action));
-    TRY(view_menu->try_add_separator());
+    view_menu->add_separator();
     auto view_mode_menu = TRY(view_menu->try_add_submenu("View &Mode"_string));
     TRY(view_mode_menu->try_add_action(*m_page_view_mode_single));
     TRY(view_mode_menu->try_add_action(*m_page_view_mode_multiple));
-    TRY(view_menu->try_add_separator());
+    view_menu->add_separator();
     TRY(view_menu->try_add_action(*m_zoom_in_action));
     TRY(view_menu->try_add_action(*m_zoom_out_action));
     TRY(view_menu->try_add_action(*m_reset_zoom_action));

Userland/Applications/Piano/main.cpp

@@ -77,7 +77,7 @@ ErrorOr<int> serenity_main(Main::Arguments arguments)
         wav_progress_window->set_filename(save_path.value());
         wav_progress_window->show();
     })));
-    TRY(file_menu->try_add_separator());
+    file_menu->add_separator();
     TRY(file_menu->try_add_action(GUI::CommonActions::make_quit_action([](auto&) {
         GUI::Application::the()->quit();
         return;

Userland/Applications/PixelPaint/MainWidget.cpp

@@ -269,7 +269,7 @@ ErrorOr<void> MainWidget::initialize_menubar(GUI::Window& window)
 
     m_export_submenu->set_icon(g_icon_bag.file_export);
 
-    TRY(file_menu->try_add_separator());
+    file_menu->add_separator();
 
     TRY(file_menu->add_recent_files_list([&](auto& action) {
         auto path = action.text();
@@ -409,12 +409,12 @@ ErrorOr<void> MainWidget::initialize_menubar(GUI::Window& window)
 
     TRY(m_edit_menu->try_add_action(*m_undo_action));
     TRY(m_edit_menu->try_add_action(*m_redo_action));
-    TRY(m_edit_menu->try_add_separator());
+    m_edit_menu->add_separator();
     TRY(m_edit_menu->try_add_action(*m_cut_action));
     TRY(m_edit_menu->try_add_action(*m_copy_action));
     TRY(m_edit_menu->try_add_action(*m_copy_merged_action));
     TRY(m_edit_menu->try_add_action(*m_paste_action));
-    TRY(m_edit_menu->try_add_separator());
+    m_edit_menu->add_separator();
 
     TRY(m_edit_menu->try_add_action(GUI::CommonActions::make_select_all_action([&](auto&) {
         auto* editor = current_image_editor();
@@ -440,7 +440,7 @@ ErrorOr<void> MainWidget::initialize_menubar(GUI::Window& window)
             editor->did_complete_action("Invert Selection"sv);
         })));
 
-    TRY(m_edit_menu->try_add_separator());
+    m_edit_menu->add_separator();
     TRY(m_edit_menu->try_add_action(GUI::Action::create(
         "S&wap Colors", { Mod_None, Key_X }, g_icon_bag.swap_colors, [&](auto&) {
             auto* editor = current_image_editor();
@@ -542,7 +542,7 @@ ErrorOr<void> MainWidget::initialize_menubar(GUI::Window& window)
             VERIFY(editor);
             editor->fit_image_to_view();
         })));
-    TRY(m_view_menu->try_add_separator());
+    m_view_menu->add_separator();
     TRY(m_view_menu->try_add_action(*m_add_guide_action));
     TRY(m_view_menu->try_add_action(*m_show_guides_action));
 
@@ -552,7 +552,7 @@ ErrorOr<void> MainWidget::initialize_menubar(GUI::Window& window)
             VERIFY(editor);
             editor->clear_guides();
         })));
-    TRY(m_view_menu->try_add_separator());
+    m_view_menu->add_separator();
 
     auto show_pixel_grid_action = GUI::Action::create_checkable(
         "Show &Pixel Grid", [&](auto& action) {
@@ -584,7 +584,7 @@ ErrorOr<void> MainWidget::initialize_menubar(GUI::Window& window)
     m_show_active_layer_boundary_action->set_checked(Config::read_bool("PixelPaint"sv, "ImageEditor"sv, "ShowActiveLayerBoundary"sv, true));
     TRY(m_view_menu->try_add_action(*m_show_active_layer_boundary_action));
 
-    TRY(m_view_menu->try_add_separator());
+    m_view_menu->add_separator();
 
     auto histogram_action = GUI::Action::create_checkable("&Histogram", [&](auto& action) {
         Config::write_bool("PixelPaint"sv, "Scopes"sv, "ShowHistogram"sv, action.is_checked());
@@ -634,7 +634,7 @@ ErrorOr<void> MainWidget::initialize_menubar(GUI::Window& window)
             }
             editor->did_complete_action("Flip Image Horizontally"sv);
         })));
-    TRY(m_image_menu->try_add_separator());
+    m_image_menu->add_separator();
 
     TRY(m_image_menu->try_add_action(GUI::Action::create("Rotate Image &Counterclockwise", { Mod_Ctrl | Mod_Shift, Key_LessThan }, TRY(Gfx::Bitmap::load_from_file("/res/icons/16x16/edit-rotate-ccw.png"sv)),
         [&](auto&) {
@@ -659,7 +659,7 @@ ErrorOr<void> MainWidget::initialize_menubar(GUI::Window& window)
             }
             editor->did_complete_action("Rotate Image Clockwise"sv);
         })));
-    TRY(m_image_menu->try_add_separator());
+    m_image_menu->add_separator();
     TRY(m_image_menu->try_add_action(GUI::Action::create(
         "&Resize Image...", { Mod_Ctrl | Mod_Shift, Key_R }, g_icon_bag.resize_image, [&](auto&) {
             auto* editor = current_image_editor();
@@ -791,7 +791,7 @@ ErrorOr<void> MainWidget::initialize_menubar(GUI::Window& window)
         });
     TRY(m_layer_menu->try_add_action(*m_layer_via_cut));
 
-    TRY(m_layer_menu->try_add_separator());
+    m_layer_menu->add_separator();
 
     auto create_layer_mask_callback = [&](auto const& action_name, Function<void(Layer*)> mask_function) {
         return [&, mask_function = move(mask_function)](GUI::Action&) {
@@ -898,7 +898,7 @@ ErrorOr<void> MainWidget::initialize_menubar(GUI::Window& window)
 
     TRY(mask_submenu->try_add_action(*m_open_color_masking_action));
 
-    TRY(m_layer_menu->try_add_separator());
+    m_layer_menu->add_separator();
 
     TRY(m_layer_menu->try_add_action(GUI::Action::create(
         "Select &Previous Layer", { 0, Key_PageUp }, g_icon_bag.previous_layer, [&](auto&) {
@@ -916,7 +916,7 @@ ErrorOr<void> MainWidget::initialize_menubar(GUI::Window& window)
         "Select B&ottom Layer", { 0, Key_End }, g_icon_bag.bottom_layer, [&](auto&) {
             m_layer_list_widget->select_bottom_layer();
         })));
-    TRY(m_layer_menu->try_add_separator());
+    m_layer_menu->add_separator();
     TRY(m_layer_menu->try_add_action(GUI::CommonActions::make_move_to_front_action(
         [&](auto&) {
             auto* editor = current_image_editor();
@@ -937,7 +937,7 @@ ErrorOr<void> MainWidget::initialize_menubar(GUI::Window& window)
             editor->image().move_layer_to_back(*active_layer);
             editor->layers_did_change();
         })));
-    TRY(m_layer_menu->try_add_separator());
+    m_layer_menu->add_separator();
     TRY(m_layer_menu->try_add_action(GUI::Action::create(
         "Move Active Layer &Up", { Mod_Ctrl, Key_PageUp }, g_icon_bag.active_layer_up, [&](auto&) {
             auto* editor = current_image_editor();
@@ -956,7 +956,7 @@ ErrorOr<void> MainWidget::initialize_menubar(GUI::Window& window)
                 return;
             editor->image().move_layer_down(*active_layer);
         })));
-    TRY(m_layer_menu->try_add_separator());
+    m_layer_menu->add_separator();
     TRY(m_layer_menu->try_add_action(GUI::Action::create(
         "&Remove Active Layer", { Mod_Ctrl, Key_D }, g_icon_bag.delete_layer, [&](auto&) {
             auto* editor = current_image_editor();
@@ -987,7 +987,7 @@ ErrorOr<void> MainWidget::initialize_menubar(GUI::Window& window)
     m_layer_list_widget->on_context_menu_request = [&](auto& event) {
         m_layer_menu->popup(event.screen_position());
     };
-    TRY(m_layer_menu->try_add_separator());
+    m_layer_menu->add_separator();
     TRY(m_layer_menu->try_add_action(GUI::Action::create(
         "Fl&atten Image", { Mod_Ctrl, Key_F }, g_icon_bag.flatten_image, [&](auto&) {
             auto* editor = current_image_editor();
@@ -1040,7 +1040,7 @@ ErrorOr<void> MainWidget::initialize_menubar(GUI::Window& window)
             editor->did_complete_action("Merge Active Layer Down"sv);
         })));
 
-    TRY(m_layer_menu->try_add_separator());
+    m_layer_menu->add_separator();
     TRY(m_layer_menu->try_add_action(GUI::Action::create(
         "Flip Layer &Vertically", g_icon_bag.edit_flip_vertical, [&](auto&) {
             auto* editor = current_image_editor();
@@ -1069,7 +1069,7 @@ ErrorOr<void> MainWidget::initialize_menubar(GUI::Window& window)
             }
             editor->did_complete_action("Flip Layer Horizontally"sv);
         })));
-    TRY(m_layer_menu->try_add_separator());
+    m_layer_menu->add_separator();
 
     TRY(m_layer_menu->try_add_action(GUI::Action::create("Rotate Layer &Counterclockwise", TRY(Gfx::Bitmap::load_from_file("/res/icons/16x16/edit-rotate-ccw.png"sv)),
         [&](auto&) {
@@ -1101,7 +1101,7 @@ ErrorOr<void> MainWidget::initialize_menubar(GUI::Window& window)
             editor->did_complete_action("Rotate Layer Clockwise"sv);
         })));
 
-    TRY(m_layer_menu->try_add_separator());
+    m_layer_menu->add_separator();
     TRY(m_layer_menu->try_add_action(GUI::Action::create(
         "&Crop Layer to Selection", g_icon_bag.crop, [&](auto&) {
             auto* editor = current_image_editor();
@@ -1150,7 +1150,7 @@ ErrorOr<void> MainWidget::initialize_menubar(GUI::Window& window)
             return;
     })));
 
-    TRY(m_filter_menu->try_add_separator());
+    m_filter_menu->add_separator();
     TRY(m_filter_menu->try_add_action(GUI::Action::create("Generic 5x5 &Convolution", g_icon_bag.generic_5x5_convolution, [&](auto&) {
         auto* editor = current_image_editor();
         VERIFY(editor);

Userland/Applications/Presenter/PresenterWidget.cpp

@@ -66,7 +66,7 @@ ErrorOr<void> PresenterWidget::initialize_menubar()
         this->set_file(response.value().filename());
     });
     TRY(file_menu->try_add_action(open_action));
-    TRY(file_menu->try_add_separator());
+    file_menu->add_separator();
     TRY(file_menu->try_add_action(GUI::CommonActions::make_quit_action([](auto&) {
         GUI::Application::the()->quit();
     })));

Userland/Applications/SoundPlayer/main.cpp

@@ -68,7 +68,7 @@ ErrorOr<int> serenity_main(Main::Arguments arguments)
         }
     })));
 
-    TRY(file_menu->try_add_separator());
+    file_menu->add_separator();
     TRY(file_menu->try_add_action(GUI::CommonActions::make_quit_action([&](auto&) {
         app->quit();
     })));
@@ -97,9 +97,9 @@ ErrorOr<int> serenity_main(Main::Arguments arguments)
     auto linear_volume_slider = GUI::Action::create_checkable("&Nonlinear Volume Slider", [&](auto& action) {
         static_cast<SoundPlayerWidget*>(player)->set_nonlinear_volume_slider(action.is_checked());
     });
-    TRY(playback_menu->try_add_separator());
+    playback_menu->add_separator();
     TRY(playback_menu->try_add_action(linear_volume_slider));
-    TRY(playback_menu->try_add_separator());
+    playback_menu->add_separator();
 
     auto playlist_toggle = GUI::Action::create_checkable("&Show Playlist", [&](auto& action) {
         static_cast<SoundPlayerWidget*>(player)->set_playlist_visible(action.is_checked());

Userland/Applications/SpaceAnalyzer/main.cpp

@@ -74,7 +74,7 @@ ErrorOr<int> serenity_main(Main::Arguments arguments)
             GUI::MessageBox::show_error(window, DeprecatedString::formatted("{}", result.error()));
         }
     })));
-    TRY(file_menu->try_add_separator());
+    file_menu->add_separator();
     TRY(file_menu->try_add_action(GUI::CommonActions::make_quit_action([&](auto&) {
         app->quit();
     })));

Userland/Applications/Spreadsheet/SpreadsheetWidget.cpp

@@ -723,9 +723,9 @@ ErrorOr<void> SpreadsheetWidget::initialize_menubar(GUI::Window& window)
     TRY(file_menu->try_add_action(*m_open_action));
     TRY(file_menu->try_add_action(*m_save_action));
     TRY(file_menu->try_add_action(*m_save_as_action));
-    TRY(file_menu->try_add_separator());
+    file_menu->add_separator();
     TRY(file_menu->try_add_action(*m_import_action));
-    TRY(file_menu->try_add_separator());
+    file_menu->add_separator();
     TRY(file_menu->add_recent_files_list([&](auto& action) {
         if (!request_close())
             return;
@@ -740,7 +740,7 @@ ErrorOr<void> SpreadsheetWidget::initialize_menubar(GUI::Window& window)
     auto edit_menu = TRY(window.try_add_menu("&Edit"_string));
     TRY(edit_menu->try_add_action(*m_undo_action));
     TRY(edit_menu->try_add_action(*m_redo_action));
-    TRY(edit_menu->try_add_separator());
+    edit_menu->add_separator();
     TRY(edit_menu->try_add_action(*m_cut_action));
     TRY(edit_menu->try_add_action(*m_copy_action));
     TRY(edit_menu->try_add_action(*m_paste_action));

Userland/Applications/SystemMonitor/main.cpp

@@ -436,10 +436,10 @@ ErrorOr<int> serenity_main(Main::Arguments arguments)
     TRY(process_context_menu->try_add_action(kill_action));
     TRY(process_context_menu->try_add_action(stop_action));
     TRY(process_context_menu->try_add_action(continue_action));
-    TRY(process_context_menu->try_add_separator());
+    process_context_menu->add_separator();
     TRY(process_context_menu->try_add_action(profile_action));
     TRY(process_context_menu->try_add_action(debug_action));
-    TRY(process_context_menu->try_add_separator());
+    process_context_menu->add_separator();
     TRY(process_context_menu->try_add_action(process_properties_action));
     process_table_view.on_context_menu_request = [&]([[maybe_unused]] const GUI::ModelIndex& index, const GUI::ContextMenuEvent& event) {
         if (index.is_valid())

Userland/Applications/Terminal/main.cpp

@@ -332,7 +332,7 @@ ErrorOr<int> serenity_main(Main::Arguments arguments)
             GUI::Process::spawn_or_show_error(window, "/bin/TerminalSettings"sv);
         });
 
-    TRY(terminal->context_menu().try_add_separator());
+    terminal->context_menu().add_separator();
     TRY(terminal->context_menu().try_add_action(open_settings_action));
 
     auto file_menu = TRY(window->try_add_menu("&File"_string));
@@ -341,7 +341,7 @@ ErrorOr<int> serenity_main(Main::Arguments arguments)
     })));
 
     TRY(file_menu->try_add_action(open_settings_action));
-    TRY(file_menu->try_add_separator());
+    file_menu->add_separator();
 
     auto tty_has_foreground_process = [&] {
         pid_t fg_pid = tcgetpgrp(ptm_fd);
@@ -387,7 +387,7 @@ ErrorOr<int> serenity_main(Main::Arguments arguments)
     auto edit_menu = TRY(window->try_add_menu("&Edit"_string));
     TRY(edit_menu->try_add_action(terminal->copy_action()));
     TRY(edit_menu->try_add_action(terminal->paste_action()));
-    TRY(edit_menu->try_add_separator());
+    edit_menu->add_separator();
     TRY(edit_menu->try_add_action(GUI::Action::create("&Find...", { Mod_Ctrl | Mod_Shift, Key_F }, TRY(Gfx::Bitmap::load_from_file("/res/icons/16x16/find.png"sv)),
         [&](auto&) {
             find_window->show();
@@ -410,7 +410,7 @@ ErrorOr<int> serenity_main(Main::Arguments arguments)
         }
     };
 
-    TRY(view_menu->try_add_separator());
+    view_menu->add_separator();
     TRY(view_menu->try_add_action(GUI::CommonActions::make_zoom_in_action([&](auto&) {
         adjust_font_size(1);
     })));

Userland/Applications/TextEditor/MainWidget.cpp

@@ -370,9 +370,9 @@ ErrorOr<void> MainWidget::initialize_menubar(GUI::Window& window)
     TRY(file_menu->try_add_action(*m_open_action));
     TRY(file_menu->try_add_action(*m_save_action));
     TRY(file_menu->try_add_action(*m_save_as_action));
-    TRY(file_menu->try_add_separator());
+    file_menu->add_separator();
     TRY(file_menu->try_add_action(*m_open_folder_action));
-    TRY(file_menu->try_add_separator());
+    file_menu->add_separator();
 
     TRY(file_menu->add_recent_files_list([&](auto& action) {
         if (editor().document().is_modified()) {
@@ -399,14 +399,14 @@ ErrorOr<void> MainWidget::initialize_menubar(GUI::Window& window)
     auto edit_menu = TRY(window.try_add_menu("&Edit"_string));
     TRY(edit_menu->try_add_action(m_editor->undo_action()));
     TRY(edit_menu->try_add_action(m_editor->redo_action()));
-    TRY(edit_menu->try_add_separator());
+    edit_menu->add_separator();
     TRY(edit_menu->try_add_action(m_editor->cut_action()));
     TRY(edit_menu->try_add_action(m_editor->copy_action()));
     TRY(edit_menu->try_add_action(m_editor->paste_action()));
-    TRY(edit_menu->try_add_separator());
+    edit_menu->add_separator();
     TRY(edit_menu->try_add_action(m_editor->insert_emoji_action()));
     TRY(edit_menu->try_add_action(*m_vim_emulation_setting_action));
-    TRY(edit_menu->try_add_separator());
+    edit_menu->add_separator();
     TRY(edit_menu->try_add_action(*m_find_replace_action));
     TRY(edit_menu->try_add_action(*m_find_next_action));
     TRY(edit_menu->try_add_action(*m_find_previous_action));
@@ -466,7 +466,7 @@ ErrorOr<void> MainWidget::initialize_menubar(GUI::Window& window)
     TRY(layout_menu->try_add_action(*m_layout_statusbar_action));
     TRY(layout_menu->try_add_action(*m_layout_ruler_action));
 
-    TRY(view_menu->try_add_separator());
+    view_menu->add_separator();
 
     TRY(view_menu->try_add_action(GUI::Action::create("Change &Font...", TRY(Gfx::Bitmap::load_from_file("/res/icons/16x16/app-font-editor.png"sv)),
         [&](auto&) {
@@ -478,7 +478,7 @@ ErrorOr<void> MainWidget::initialize_menubar(GUI::Window& window)
             }
         })));
 
-    TRY(view_menu->try_add_separator());
+    view_menu->add_separator();
 
     m_wrapping_mode_actions.set_exclusive(true);
     auto wrapping_mode_menu = TRY(view_menu->try_add_submenu("&Wrapping Mode"_string));
@@ -547,7 +547,7 @@ ErrorOr<void> MainWidget::initialize_menubar(GUI::Window& window)
 
     m_soft_tab_4_width_action->set_checked(true);
 
-    TRY(view_menu->try_add_separator());
+    view_menu->add_separator();
 
     m_visualize_trailing_whitespace_action = GUI::Action::create_checkable("T&railing Whitespace", [&](auto&) {
         m_editor->set_visualize_trailing_whitespace(m_visualize_trailing_whitespace_action->is_checked());
@@ -585,12 +585,12 @@ ErrorOr<void> MainWidget::initialize_menubar(GUI::Window& window)
 
     TRY(view_menu->try_add_action(*m_relative_line_number_action));
 
-    TRY(view_menu->try_add_separator());
+    view_menu->add_separator();
     TRY(view_menu->try_add_action(*m_no_preview_action));
     TRY(view_menu->try_add_action(*m_markdown_preview_action));
     TRY(view_menu->try_add_action(*m_html_preview_action));
     m_no_preview_action->set_checked(true);
-    TRY(view_menu->try_add_separator());
+    view_menu->add_separator();
 
     syntax_actions.set_exclusive(true);
 
@@ -708,7 +708,7 @@ ErrorOr<void> MainWidget::initialize_menubar(GUI::Window& window)
     TRY(tab_width_statusbar_menu->try_add_action(*m_soft_tab_8_width_action));
     TRY(tab_width_statusbar_menu->try_add_action(*m_soft_tab_16_width_action));
 
-    TRY(m_line_column_statusbar_menu->try_add_separator());
+    m_line_column_statusbar_menu->add_separator();
     TRY(m_line_column_statusbar_menu->try_add_action(*m_cursor_line_highlighting_action));
 
     TRY(m_syntax_statusbar_menu->try_add_action(*m_plain_text_highlight));

Userland/Applications/ThemeEditor/MainWidget.cpp

@@ -285,7 +285,7 @@ ErrorOr<void> MainWidget::initialize_menubar(GUI::Window& window)
             return;
         save_to_file(result.value().filename(), result.value().release_stream());
     })));
-    TRY(file_menu->try_add_separator());
+    file_menu->add_separator();
 
     TRY(file_menu->add_recent_files_list([&](auto& action) {
         if (request_close() == GUI::Window::CloseRequestDecision::StayOpen)

Userland/Applications/VideoPlayer/VideoPlayerWidget.cpp

@@ -393,7 +393,7 @@ ErrorOr<void> VideoPlayerWidget::initialize_menubar(GUI::Window& window)
 
         open_file(response.release_value());
     })));
-    TRY(file_menu->try_add_separator());
+    file_menu->add_separator();
     TRY(file_menu->try_add_action(GUI::CommonActions::make_quit_action([&](auto&) {
         window.close();
     })));

Userland/Demos/CatDog/main.cpp

@@ -46,7 +46,7 @@ ErrorOr<int> serenity_main(Main::Arguments arguments)
 
     auto context_menu = TRY(GUI::Menu::try_create());
     TRY(context_menu->try_add_action(GUI::CommonActions::make_about_action("CatDog Demo", app_icon, window)));
-    TRY(context_menu->try_add_separator());
+    context_menu->add_separator();
     TRY(context_menu->try_add_action(GUI::CommonActions::make_quit_action([&](auto&) { app->quit(); })));
 
     window->show();

Userland/Demos/Eyes/main.cpp

@@ -86,7 +86,7 @@ ErrorOr<int> serenity_main(Main::Arguments arguments)
 
     auto file_menu = TRY(window->try_add_menu("&File"_string));
     TRY(file_menu->try_add_action(move(show_window_frame_action)));
-    TRY(file_menu->try_add_separator());
+    file_menu->add_separator();
     TRY(file_menu->try_add_action(GUI::CommonActions::make_quit_action([&](auto&) { app->quit(); })));
 
     auto help_menu = TRY(window->try_add_menu("&Help"_string));

Userland/Demos/Mandelbrot/Mandelbrot.cpp

@@ -444,7 +444,7 @@ ErrorOr<int> serenity_main(Main::Arguments arguments)
 
     export_submenu.set_icon(TRY(Gfx::Bitmap::load_from_file("/res/icons/16x16/save.png"sv)));
 
-    TRY(file_menu->try_add_separator());
+    file_menu->add_separator();
     TRY(file_menu->try_add_action(GUI::CommonActions::make_quit_action([&](auto&) { app->quit(); })));
 
     auto zoom_in_action = GUI::CommonActions::make_zoom_in_action(

Userland/DevTools/GMLPlayground/MainWidget.cpp

@@ -190,7 +190,7 @@ ErrorOr<void> MainWidget::initialize_menubar(GUI::Window& window)
     TRY(file_menu->try_add_action(open_action));
     TRY(file_menu->try_add_action(*m_save_action));
     TRY(file_menu->try_add_action(*m_save_as_action));
-    TRY(file_menu->try_add_separator());
+    file_menu->add_separator();
 
     TRY(file_menu->add_recent_files_list([&](auto& action) {
         if (request_close() == GUI::Window::CloseRequestDecision::StayOpen)
@@ -209,14 +209,14 @@ ErrorOr<void> MainWidget::initialize_menubar(GUI::Window& window)
     auto edit_menu = TRY(window.try_add_menu("&Edit"_string));
     TRY(edit_menu->try_add_action(m_editor->undo_action()));
     TRY(edit_menu->try_add_action(m_editor->redo_action()));
-    TRY(edit_menu->try_add_separator());
+    edit_menu->add_separator();
     TRY(edit_menu->try_add_action(m_editor->cut_action()));
     TRY(edit_menu->try_add_action(m_editor->copy_action()));
     TRY(edit_menu->try_add_action(m_editor->paste_action()));
-    TRY(edit_menu->try_add_separator());
+    edit_menu->add_separator();
     TRY(edit_menu->try_add_action(m_editor->select_all_action()));
     TRY(edit_menu->try_add_action(m_editor->go_to_line_or_column_action()));
-    TRY(edit_menu->try_add_separator());
+    edit_menu->add_separator();
 
     auto format_gml_action = GUI::Action::create("&Format GML", { Mod_Ctrl | Mod_Shift, Key_I }, TRY(Gfx::Bitmap::load_from_file("/res/icons/16x16/reformat.png"sv)), [&](auto&) {
         auto formatted_gml_or_error = GUI::GML::format_gml(m_editor->text());

Userland/DevTools/SQLStudio/MainWidget.cpp

@@ -307,7 +307,7 @@ ErrorOr<void> MainWidget::initialize_menu(GUI::Window* window)
     TRY(file_menu->try_add_action(*m_save_action));
     TRY(file_menu->try_add_action(*m_save_as_action));
     TRY(file_menu->try_add_action(*m_save_all_action));
-    TRY(file_menu->try_add_separator());
+    file_menu->add_separator();
     TRY(file_menu->try_add_action(GUI::CommonActions::make_quit_action([](auto&) {
         GUI::Application::the()->quit();
     })));
@@ -316,10 +316,10 @@ ErrorOr<void> MainWidget::initialize_menu(GUI::Window* window)
     TRY(edit_menu->try_add_action(*m_copy_action));
     TRY(edit_menu->try_add_action(*m_cut_action));
     TRY(edit_menu->try_add_action(*m_paste_action));
-    TRY(edit_menu->try_add_separator());
+    edit_menu->add_separator();
     TRY(edit_menu->try_add_action(*m_undo_action));
     TRY(edit_menu->try_add_action(*m_redo_action));
-    TRY(edit_menu->try_add_separator());
+    edit_menu->add_separator();
     TRY(edit_menu->try_add_action(*m_run_script_action));
 
     auto help_menu = TRY(window->try_add_menu("&Help"_string));

Userland/Games/2048/main.cpp

@@ -187,12 +187,12 @@ ErrorOr<int> serenity_main(Main::Arguments arguments)
         update();
     })));
 
-    TRY(game_menu->try_add_separator());
+    game_menu->add_separator();
     TRY(game_menu->try_add_action(GUI::Action::create("&Settings", TRY(Gfx::Bitmap::load_from_file("/res/icons/16x16/settings.png"sv)), [&](auto&) {
         change_settings();
     })));
 
-    TRY(game_menu->try_add_separator());
+    game_menu->add_separator();
     TRY(game_menu->try_add_action(GUI::CommonActions::make_quit_action([](auto&) {
         GUI::Application::the()->quit();
     })));

Userland/Games/BrickGame/main.cpp

@@ -68,7 +68,7 @@ ErrorOr<int> serenity_main(Main::Arguments arguments)
     show_shadow_piece_action->set_checked(game->show_shadow_hint());
 
     TRY(game_menu->try_add_action(show_shadow_piece_action));
-    TRY(game_menu->try_add_separator());
+    game_menu->add_separator();
     TRY(game_menu->try_add_action(GUI::CommonActions::make_quit_action([](auto&) {
         GUI::Application::the()->quit();
     })));

Userland/Games/Chess/main.cpp

@@ -97,7 +97,7 @@ ErrorOr<int> serenity_main(Main::Arguments arguments)
     TRY(game_menu->try_add_action(GUI::Action::create("&Flip Board", { Mod_Ctrl, Key_F }, [&](auto&) {
         widget->flip_board();
     })));
-    TRY(game_menu->try_add_separator());
+    game_menu->add_separator();
 
     TRY(game_menu->try_add_action(GUI::Action::create("&Import PGN...", { Mod_Ctrl, Key_O }, [&](auto&) {
         FileSystemAccessClient::OpenFileOptions options {
@@ -129,7 +129,7 @@ ErrorOr<int> serenity_main(Main::Arguments arguments)
         GUI::Clipboard::the().set_data(widget->get_fen().release_value_but_fixme_should_propagate_errors().bytes());
         GUI::MessageBox::show(window, "Board state copied to clipboard as FEN."sv, "Copy FEN"sv, GUI::MessageBox::Type::Information);
     })));
-    TRY(game_menu->try_add_separator());
+    game_menu->add_separator();
 
     TRY(game_menu->try_add_action(GUI::Action::create("&New Game", { Mod_None, Key_F2 }, TRY(Gfx::Bitmap::load_from_file("/res/icons/16x16/reload.png"sv)), [&](auto&) {
         if (widget->board().game_result() == Chess::Board::Result::NotFinished) {
@@ -138,7 +138,7 @@ ErrorOr<int> serenity_main(Main::Arguments arguments)
         }
         widget->reset();
     })));
-    TRY(game_menu->try_add_separator());
+    game_menu->add_separator();
 
     auto settings_action = GUI::Action::create(
         "Chess &Settings", {}, TRY(Gfx::Bitmap::load_from_file("/res/icons/16x16/games.png"sv)), [window](auto&) {
@@ -155,7 +155,7 @@ ErrorOr<int> serenity_main(Main::Arguments arguments)
     });
     show_available_moves_action->set_checked(widget->show_available_moves());
     TRY(game_menu->try_add_action(show_available_moves_action));
-    TRY(game_menu->try_add_separator());
+    game_menu->add_separator();
 
     TRY(game_menu->try_add_action(GUI::CommonActions::make_quit_action([](auto&) {
         GUI::Application::the()->quit();

Userland/Games/ColorLines/main.cpp

@@ -55,7 +55,7 @@ ErrorOr<int> serenity_main(Main::Arguments arguments)
     TRY(game_menu->try_add_action(GUI::Action::create("&New Game", { Mod_None, Key_F2 }, TRY(Gfx::Bitmap::load_from_file("/res/icons/16x16/reload.png"sv)), [&](auto&) {
         game->reset();
     })));
-    TRY(game_menu->try_add_separator());
+    game_menu->add_separator();
     TRY(game_menu->try_add_action(GUI::CommonActions::make_quit_action([](auto&) {
         GUI::Application::the()->quit();
     })));

Userland/Games/Flood/main.cpp

@@ -170,12 +170,12 @@ ErrorOr<int> serenity_main(Main::Arguments arguments)
         start_a_new_game();
     })));
 
-    TRY(game_menu->try_add_separator());
+    game_menu->add_separator();
     TRY(game_menu->try_add_action(GUI::Action::create("&Settings", TRY(Gfx::Bitmap::load_from_file("/res/icons/16x16/settings.png"sv)), [&](auto&) {
         change_settings();
     })));
 
-    TRY(game_menu->try_add_separator());
+    game_menu->add_separator();
     TRY(game_menu->try_add_action(GUI::CommonActions::make_quit_action([](auto&) {
         GUI::Application::the()->quit();
     })));

Userland/Games/GameOfLife/main.cpp

@@ -136,10 +136,10 @@ ErrorOr<int> serenity_main(Main::Arguments arguments)
 
     TRY(game_menu->try_add_action(clear_board_action));
     TRY(game_menu->try_add_action(randomize_cells_action));
-    TRY(game_menu->try_add_separator());
+    game_menu->add_separator();
     TRY(game_menu->try_add_action(toggle_running_action));
     TRY(game_menu->try_add_action(run_one_generation_action));
-    TRY(game_menu->try_add_separator());
+    game_menu->add_separator();
     TRY(game_menu->try_add_action(GUI::CommonActions::make_quit_action([](auto&) {
         GUI::Application::the()->quit();
     })));

Userland/Games/Hearts/main.cpp

@@ -90,12 +90,12 @@ ErrorOr<int> serenity_main(Main::Arguments arguments)
     TRY(game_menu->try_add_action(GUI::Action::create("&New Game", { Mod_None, Key_F2 }, TRY(Gfx::Bitmap::load_from_file("/res/icons/16x16/reload.png"sv)), [&](auto&) {
         game.setup(player_name);
     })));
-    TRY(game_menu->try_add_separator());
+    game_menu->add_separator();
     TRY(game_menu->try_add_action(TRY(Cards::make_cards_settings_action(window))));
     TRY(game_menu->try_add_action(GUI::Action::create("&Settings", TRY(Gfx::Bitmap::load_from_file("/res/icons/16x16/settings.png"sv)), [&](auto&) {
         change_settings();
     })));
-    TRY(game_menu->try_add_separator());
+    game_menu->add_separator();
     TRY(game_menu->try_add_action(GUI::CommonActions::make_quit_action([&](auto&) { app->quit(); })));
 
     auto help_menu = TRY(window->try_add_menu("&Help"_string));

Userland/Games/MasterWord/main.cpp

@@ -72,7 +72,7 @@ ErrorOr<int> serenity_main(Main::Arguments arguments)
         game.reset();
     })));
 
-    TRY(game_menu->try_add_separator());
+    game_menu->add_separator();
     TRY(game_menu->try_add_action(GUI::CommonActions::make_quit_action([](auto&) {
         GUI::Application::the()->quit();
     })));

Userland/Games/Minesweeper/main.cpp

@@ -64,7 +64,7 @@ ErrorOr<int> serenity_main(Main::Arguments arguments)
         field->reset();
     })));
 
-    TRY(game_menu->try_add_separator());
+    game_menu->add_separator();
 
     auto chord_toggler_action = GUI::Action::create_checkable("&Single-click Chording", [&](auto& action) {
         field->set_single_chording(action.is_checked());
@@ -72,7 +72,7 @@ ErrorOr<int> serenity_main(Main::Arguments arguments)
     chord_toggler_action->set_checked(field->is_single_chording());
 
     TRY(game_menu->try_add_action(*chord_toggler_action));
-    TRY(game_menu->try_add_separator());
+    game_menu->add_separator();
 
     TRY(game_menu->try_add_action(GUI::CommonActions::make_quit_action([](auto&) {
         GUI::Application::the()->quit();
@@ -110,7 +110,7 @@ ErrorOr<int> serenity_main(Main::Arguments arguments)
     TRY(difficulty_menu->try_add_action(action));
     difficulty_actions.add_action(action);
 
-    TRY(difficulty_menu->try_add_separator());
+    difficulty_menu->add_separator();
     action = GUI::Action::create_checkable("&Custom Game...", { Mod_Ctrl, Key_C }, [&](auto&) {
         CustomGameDialog::show(window, field);
     });

Userland/Games/Snake/main.cpp

@@ -146,7 +146,7 @@ ErrorOr<int> serenity_main(Main::Arguments arguments)
     }));
     TRY(add_skin_action("Classic"sv, true));
 
-    TRY(game_menu->try_add_separator());
+    game_menu->add_separator();
     TRY(game_menu->try_add_action(GUI::CommonActions::make_quit_action([](auto&) {
         GUI::Application::the()->quit();
     })));

Userland/Games/Solitaire/main.cpp

@@ -205,19 +205,19 @@ ErrorOr<int> serenity_main(Main::Arguments arguments)
 
         game.setup(mode);
     })));
-    TRY(game_menu->try_add_separator());
+    game_menu->add_separator();
     auto undo_action = GUI::CommonActions::make_undo_action([&](auto&) {
         game.perform_undo();
     });
     undo_action->set_enabled(false);
     TRY(game_menu->try_add_action(undo_action));
-    TRY(game_menu->try_add_separator());
+    game_menu->add_separator();
     TRY(game_menu->try_add_action(TRY(Cards::make_cards_settings_action(window))));
     TRY(game_menu->try_add_action(single_card_draw_action));
     TRY(game_menu->try_add_action(three_card_draw_action));
-    TRY(game_menu->try_add_separator());
+    game_menu->add_separator();
     TRY(game_menu->try_add_action(toggle_auto_collect_action));
-    TRY(game_menu->try_add_separator());
+    game_menu->add_separator();
     TRY(game_menu->try_add_action(GUI::CommonActions::make_quit_action([&](auto&) { app->quit(); })));
 
     auto help_menu = TRY(window->try_add_menu("&Help"_string));

Userland/Games/Spider/main.cpp

@@ -242,17 +242,17 @@ ErrorOr<int> serenity_main(Main::Arguments arguments)
 
         game.setup(mode);
     })));
-    TRY(game_menu->try_add_separator());
+    game_menu->add_separator();
     auto undo_action = GUI::CommonActions::make_undo_action([&](auto&) {
         game.perform_undo();
     });
     undo_action->set_enabled(false);
     TRY(game_menu->try_add_action(undo_action));
-    TRY(game_menu->try_add_separator());
+    game_menu->add_separator();
     TRY(game_menu->try_add_action(TRY(Cards::make_cards_settings_action(window))));
     TRY(game_menu->try_add_action(single_suit_action));
     TRY(game_menu->try_add_action(two_suit_action));
-    TRY(game_menu->try_add_separator());
+    game_menu->add_separator();
     TRY(game_menu->try_add_action(GUI::CommonActions::make_quit_action([&](auto&) { app->quit(); })));
 
     auto view_menu = TRY(window->try_add_menu("&View"_string));

Userland/Libraries/LibGUI/LinkLabel.cpp

@@ -51,7 +51,7 @@ ErrorOr<void> LinkLabel::create_menus()
 {
     m_context_menu = TRY(Menu::try_create());
     TRY(m_context_menu->try_add_action(*m_open_action));
-    TRY(m_context_menu->try_add_separator());
+    m_context_menu->add_separator();
     TRY(m_context_menu->try_add_action(*m_copy_action));
     return {};
 }

Userland/Libraries/LibGUI/Menu.cpp

@@ -127,21 +127,12 @@ Menu& Menu::add_submenu(String name)
     return menu;
 }
 
-ErrorOr<void> Menu::try_add_separator()
+void Menu::add_separator()
 {
-    // NOTE: We grow the vector first, to get allocation failure handled immediately.
-    TRY(m_items.try_ensure_capacity(m_items.size() + 1));
-
-    auto item = TRY(adopt_nonnull_own_or_enomem(new (nothrow) MenuItem(m_menu_id, MenuItem::Type::Separator)));
+    auto item = make<MenuItem>(m_menu_id, MenuItem::Type::Separator);
     if (m_menu_id != -1)
         realize_menu_item(*item, m_items.size());
-    m_items.unchecked_append(move(item));
-    return {};
-}
-
-void Menu::add_separator()
-{
-    MUST(try_add_separator());
+    m_items.append(move(item));
 }
 
 void Menu::realize_if_needed(RefPtr<Action> const& default_action)
@@ -271,7 +262,7 @@ ErrorOr<void> Menu::add_recent_files_list(Function<void(Action&)> callback)
         TRY(try_add_action(action));
     }
 
-    TRY(try_add_separator());
+    add_separator();
     return {};
 }
 

Userland/Libraries/LibGUI/Menu.h

@@ -42,7 +42,6 @@ public:
     Action* action_at(size_t);
 
     ErrorOr<void> try_add_action(NonnullRefPtr<Action>);
-    ErrorOr<void> try_add_separator();
     ErrorOr<NonnullRefPtr<Menu>> try_add_submenu(String name);
 
     void add_action(NonnullRefPtr<Action>);

Userland/Libraries/LibGUI/Toolbar.cpp

@@ -258,7 +258,7 @@ ErrorOr<void> Toolbar::update_overflow_menu()
                 TRY(m_overflow_menu->try_add_action(*item->action));
         }
         if (item->action && peek_item->type == Item::Type::Separator)
-            TRY(m_overflow_menu->try_add_separator());
+            m_overflow_menu->add_separator();
     }
 
     return {};