Show toggler doc example in multiple places

widget/src/helpers.rs

@@ -947,7 +947,38 @@ where
 
 /// Creates a new [`Toggler`].
 ///
-/// [`Toggler`]: crate::Toggler
+/// Togglers let users make binary choices by toggling a switch.
+///
+/// # Example
+/// ```no_run
+/// # mod iced { pub mod widget { pub use iced_widget::*; } pub use iced_widget::Renderer; pub use iced_widget::core::*; }
+/// # pub type Element<'a, Message> = iced_widget::core::Element<'a, Message, iced_widget::Theme, iced_widget::Renderer>;
+/// #
+/// use iced::widget::toggler;
+///
+/// struct State {
+///    is_checked: bool,
+/// }
+///
+/// enum Message {
+///     TogglerToggled(bool),
+/// }
+///
+/// fn view(state: &State) -> Element<'_, Message> {
+///     toggler(state.is_checked)
+///         .label("Toggle me!")
+///         .on_toggle(Message::TogglerToggled)
+///         .into()
+/// }
+///
+/// fn update(state: &mut State, message: Message) {
+///     match message {
+///         Message::TogglerToggled(is_checked) => {
+///             state.is_checked = is_checked;
+///         }
+///     }
+/// }
+/// ```
 pub fn toggler<'a, Message, Theme, Renderer>(
     is_checked: bool,
 ) -> Toggler<'a, Message, Theme, Renderer>