Write missing documentation in iced_native

native/src/widget/scrollable.rs

@@ -316,19 +316,26 @@ where
     }
 }
 
+/// The identifier of a [`Scrollable`].
 #[derive(Debug, Clone, PartialEq, Eq, Hash)]
 pub struct Id(widget::Id);
 
 impl Id {
+    /// Creates a custom [`Id`].
     pub fn new(id: impl Into<std::borrow::Cow<'static, str>>) -> Self {
         Self(widget::Id::new(id))
     }
 
+    /// Creates a unique [`Id`].
+    ///
+    /// This function produces a different [`Id`] every time it is called.
     pub fn unique() -> Self {
         Self(widget::Id::unique())
     }
 }
 
+/// Produces a [`Command`] that snaps the [`Scrollable`] with the given [`Id`]
+/// to the provided `percentage`.
 pub fn snap_to<Message: 'static>(id: Id, percentage: f32) -> Command<Message> {
     Command::widget(operation::scrollable::snap_to(id.0, percentage))
 }