Add Fn suffix to application and daemon traits

src/application.rs

@@ -75,9 +75,9 @@ pub use timed::timed;
 /// }
 /// ```
 pub fn application<State, Message, Theme, Renderer>(
-    boot: impl Boot<State, Message>,
-    update: impl Update<State, Message>,
-    view: impl for<'a> View<'a, State, Message, Theme, Renderer>,
+    boot: impl BootFn<State, Message>,
+    update: impl UpdateFn<State, Message>,
+    view: impl for<'a> ViewFn<'a, State, Message, Theme, Renderer>,
 ) -> Application<impl Program<State = State, Message = Message, Theme = Theme>>
 where
     State: 'static,
@@ -103,9 +103,9 @@ where
         Message: program::Message + 'static,
         Theme: theme::Base,
         Renderer: program::Renderer,
-        Boot: self::Boot<State, Message>,
-        Update: self::Update<State, Message>,
-        View: for<'a> self::View<'a, State, Message, Theme, Renderer>,
+        Boot: self::BootFn<State, Message>,
+        Update: self::UpdateFn<State, Message>,
+        View: for<'a> self::ViewFn<'a, State, Message, Theme, Renderer>,
     {
         type State = State;
         type Message = Message;
@@ -320,10 +320,10 @@ impl<P: Program> Application<P> {
         }
     }
 
-    /// Sets the [`Title`] of the [`Application`].
+    /// Sets the title of the [`Application`].
     pub fn title(
         self,
-        title: impl Title<P::State>,
+        title: impl TitleFn<P::State>,
     ) -> Application<
         impl Program<State = P::State, Message = P::Message, Theme = P::Theme>,
     > {
@@ -425,12 +425,12 @@ impl<P: Program> Application<P> {
 /// In practice, this means that [`application`] can both take
 /// simple functions like `State::default` and more advanced ones
 /// that return a [`Task`].
-pub trait Boot<State, Message> {
+pub trait BootFn<State, Message> {
     /// Initializes the [`Application`] state.
     fn boot(&self) -> (State, Task<Message>);
 }
 
-impl<T, C, State, Message> Boot<State, Message> for T
+impl<T, C, State, Message> BootFn<State, Message> for T
 where
     T: Fn() -> C,
     C: IntoBoot<State, Message>,
@@ -464,18 +464,18 @@ impl<State, Message> IntoBoot<State, Message> for (State, Task<Message>) {
 /// any closure `Fn(&State) -> String`.
 ///
 /// This trait allows the [`application`] builder to take any of them.
-pub trait Title<State> {
+pub trait TitleFn<State> {
     /// Produces the title of the [`Application`].
     fn title(&self, state: &State) -> String;
 }
 
-impl<State> Title<State> for &'static str {
+impl<State> TitleFn<State> for &'static str {
     fn title(&self, _state: &State) -> String {
         self.to_string()
     }
 }
 
-impl<T, State> Title<State> for T
+impl<T, State> TitleFn<State> for T
 where
     T: Fn(&State) -> String,
 {
@@ -488,18 +488,18 @@ where
 ///
 /// This trait allows the [`application`] builder to take any closure that
 /// returns any `Into<Task<Message>>`.
-pub trait Update<State, Message> {
+pub trait UpdateFn<State, Message> {
     /// Processes the message and updates the state of the [`Application`].
     fn update(&self, state: &mut State, message: Message) -> Task<Message>;
 }
 
-impl<State, Message> Update<State, Message> for () {
+impl<State, Message> UpdateFn<State, Message> for () {
     fn update(&self, _state: &mut State, _message: Message) -> Task<Message> {
         Task::none()
     }
 }
 
-impl<T, State, Message, C> Update<State, Message> for T
+impl<T, State, Message, C> UpdateFn<State, Message> for T
 where
     T: Fn(&mut State, Message) -> C,
     C: Into<Task<Message>>,
@@ -513,13 +513,13 @@ where
 ///
 /// This trait allows the [`application`] builder to take any closure that
 /// returns any `Into<Element<'_, Message>>`.
-pub trait View<'a, State, Message, Theme, Renderer> {
+pub trait ViewFn<'a, State, Message, Theme, Renderer> {
     /// Produces the widget of the [`Application`].
     fn view(&self, state: &'a State) -> Element<'a, Message, Theme, Renderer>;
 }
 
 impl<'a, T, State, Message, Theme, Renderer, Widget>
-    View<'a, State, Message, Theme, Renderer> for T
+    ViewFn<'a, State, Message, Theme, Renderer> for T
 where
     T: Fn(&'a State) -> Widget,
     State: 'static,