Function egui::containers::combo_box::combo_box_dyn

source ยท 
fn combo_box_dyn<'c, R>(
    ui: &mut Ui,
    button_id: Id,
    selected_text: WidgetText,
    menu_contents: Box<dyn FnOnce(&mut Ui) -> R + 'c>,
    icon: Option<IconPainter>,
    wrap_mode: Option<TextWrapMode>,
    (width, height): (Option<f32>, Option<f32>),
) -> InnerResponse<Option<R>>