Here is a list of all documented struct and union fields with links to the struct/union documentation for each field:

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• observable() : v1::observable< T >
• off_label : v1::abstract_button_widget
• offset() : v1::file_view, v1::resource_view, v1::static_resource_view
• on_label : v1::abstract_button_widget
• open_system_menu() : v1::gui_window, v1::gui_window_win32
• operator bool() : v1::axis_aligned_rectangle, v1::draw_context, v1::glyph_ids, v1::grapheme, v1::interval< T >, v1::iso_639, v1::language_tag, v1::numeric_array< T, N >, v1::rectangle, v1::scoped_task< T >, v1::scoped_task< void >, v1::translate
• operator co_await() : v1::notifier< Result(Args...)>
• operator f32x4() : v1::geo::extent< D >, v1::geo::point< D >, v1::geo::vector< D >
• operator matrix< D >() : v1::geo::rotate< D >
• operator std::string() : v1::indent
• operator%=() : v1::observable< T >
• operator&=() : v1::observable< T >
• operator()() : v1::audio_sample_packer, v1::audio_sample_unpacker, v1::delayed_format< Fmt, Values >, v1::notifier< Result(Args...)>, v1::translate
• operator* : v1::axis_aligned_rectangle, v1::bezier_point, v1::font_metrics, v1::generator< T, Allocator >::iterator, v1::geo::extent< D >, v1::geo::matrix< D >, v1::geo::scale< D >, v1::geo::vector< D >, v1::glyph_metrics, v1::observable< T >, v1::scoped_task< T >
• operator*=() : v1::observable< T >
• operator+ : v1::axis_aligned_rectangle, v1::geo::extent< D >, v1::geo::point< D >, v1::geo::vector< D >, v1::indent, v1::quad, v1::rectangle
• operator++() : v1::generator< T, Allocator >::iterator, v1::indent, v1::observable< T >
• operator+=() : v1::glyph_ids, v1::indent, v1::observable< T >
• operator- : v1::axis_aligned_rectangle, v1::geo::extent< D >, v1::geo::point< D >, v1::geo::vector< D >, v1::quad, v1::rectangle
• operator--() : v1::observable< T >
• operator-=() : v1::observable< T >
• operator->() : v1::observable< T >
• operator/=() : v1::observable< T >
• operator<<=() : v1::observable< T >
• operator<=>() : v1::bound_integer< Bounds >, v1::grapheme, v1::iso_639
• operator=() : v1::bigint< DigitType, NumDigits, IsSigned >, v1::gap_buffer< T, Allocator >, v1::grapheme, v1::observable< T >, v1::pixel_map< T >
• operator==() : v1::bound_integer< Bounds >, v1::generator< T, Allocator >::iterator, v1::geo::extent< D >, v1::geo::point< D >, v1::geo::vector< D >, v1::grapheme, v1::iso_639, v1::label, v1::translate, v1::when_any_result< HasTimeout, Ts >
• operator>>=() : v1::observable< T >
• operator[]() : v1::enum_metadata< T, N >, v1::gap_buffer< T, Allocator >, v1::glyph_ids, v1::grapheme, v1::pixel_row< T >, v1::stack< T, MaxSize >
• operator^=() : v1::observable< T >
• operator| : v1::unicode_mask
• operator|=() : v1::axis_aligned_rectangle, v1::observable< T >, v1::unicode_mask
• operator~ : v1::bezier_curve, v1::geo::matrix< D >
• optimize() : v1::range_map< Key, Value >, v1::unicode_mask
• optimizeLayers() : v1::graphic_path
• options_and_selected() : v1::default_selection_delegate< T >, v1::selection_delegate
• orthogonality() : v1::bezier_curve::sdf_distance_result
• other_label : v1::abstract_button_widget
• output_size() : v1::formula_evaluation_context
• output_speaker_mapping() : v1::audio_device, v1::audio_device_win32
• overlay_widget() : v1::overlay_widget
• overlong() : v1::grapheme
• override_clip() : v1::widget_layout