Merge pull request #245 from tirz/refactor-bound_lifetime

refactor: remove not mandatories 'static lifetimes

1 files changed, 19 insertions, 20 deletions

diff --git a/native/src/widget/pane_grid.rs b/native/src/widget/pane_grid.rs
index a88f591a..2eca68d3 100644
--- a/native/src/widget/pane_grid.rs
+++ b/native/src/widget/pane_grid.rs
@@ -80,9 +80,9 @@ pub struct PaneGrid<'a, Message, Renderer> {
     height: Length,
     spacing: u16,
     modifier_keys: keyboard::ModifiersState,
-    on_drag: Option<Box<dyn Fn(DragEvent) -> Message>>,
-    on_resize: Option<Box<dyn Fn(ResizeEvent) -> Message>>,
-    on_key_press: Option<Box<dyn Fn(KeyPressEvent) -> Option<Message>>>,
+    on_drag: Option<Box<dyn Fn(DragEvent) -> Message + 'a>>,
+    on_resize: Option<Box<dyn Fn(ResizeEvent) -> Message + 'a>>,
+    on_key_press: Option<Box<dyn Fn(KeyPressEvent) -> Option<Message> + 'a>>,
 }
 
 impl<'a, Message, Renderer> PaneGrid<'a, Message, Renderer> {
@@ -187,10 +187,10 @@ impl<'a, Message, Renderer> PaneGrid<'a, Message, Renderer> {
     /// Panes can be dragged using `Modifier keys + Left click`.
     ///
     /// [`PaneGrid`]: struct.PaneGrid.html
-    pub fn on_drag(
-        mut self,
-        f: impl Fn(DragEvent) -> Message + 'static,
-    ) -> Self {
+    pub fn on_drag<F>(mut self, f: F) -> Self
+    where
+        F: 'a + Fn(DragEvent) -> Message,
+    {
         self.on_drag = Some(Box::new(f));
         self
     }
@@ -201,10 +201,10 @@ impl<'a, Message, Renderer> PaneGrid<'a, Message, Renderer> {
     /// Panes can be resized using `Modifier keys + Right click`.
     ///
     /// [`PaneGrid`]: struct.PaneGrid.html
-    pub fn on_resize(
-        mut self,
-        f: impl Fn(ResizeEvent) -> Message + 'static,
-    ) -> Self {
+    pub fn on_resize<F>(mut self, f: F) -> Self
+    where
+        F: 'a + Fn(ResizeEvent) -> Message,
+    {
         self.on_resize = Some(Box::new(f));
         self
     }
@@ -226,10 +226,10 @@ impl<'a, Message, Renderer> PaneGrid<'a, Message, Renderer> {
     ///
     /// [`PaneGrid`]: struct.PaneGrid.html
     /// [`Pane`]: struct.Pane.html
-    pub fn on_key_press(
-        mut self,
-        f: impl Fn(KeyPressEvent) -> Option<Message> + 'static,
-    ) -> Self {
+    pub fn on_key_press<F>(mut self, f: F) -> Self
+    where
+        F: 'a + Fn(KeyPressEvent) -> Option<Message>,
+    {
         self.on_key_press = Some(Box::new(f));
         self
     }
@@ -348,8 +348,7 @@ pub struct KeyPressEvent {
 impl<'a, Message, Renderer> Widget<Message, Renderer>
     for PaneGrid<'a, Message, Renderer>
 where
-    Renderer: self::Renderer + 'static,
-    Message: 'static,
+    Renderer: 'static + self::Renderer,
 {
     fn width(&self) -> Length {
         self.width
@@ -591,7 +590,7 @@ where
     fn hash_layout(&self, state: &mut Hasher) {
         use std::hash::Hash;
 
-        std::any::TypeId::of::<PaneGrid<'_, Message, Renderer>>().hash(state);
+        std::any::TypeId::of::<PaneGrid<'_, (), Renderer>>().hash(state);
         self.width.hash(state);
         self.height.hash(state);
         self.state.hash_layout(state);
@@ -636,8 +635,8 @@ pub trait Renderer: crate::Renderer + Sized {
 impl<'a, Message, Renderer> From<PaneGrid<'a, Message, Renderer>>
     for Element<'a, Message, Renderer>
 where
-    Renderer: self::Renderer + 'static,
-    Message: 'static,
+    Renderer: 'static + self::Renderer,
+    Message: 'a,
 {
     fn from(
         pane_grid: PaneGrid<'a, Message, Renderer>,