Better naming

crates/egui/src/drag_and_drop.rs

@@ -40,9 +40,9 @@ impl DragAndDrop {
     /// Set a drag-and-drop payload.
     ///
     /// This can be read by [`Self::payload`] until the pointer is released.
-    pub fn set_payload<T>(ctx: &Context, payload: T)
+    pub fn set_payload<Payload>(ctx: &Context, payload: Payload)
     where
-        T: Any + Send + Sync,
+        Payload: Any + Send + Sync,
     {
         ctx.data_mut(|data| {
             let state = data.get_temp_mut_or_default::<Self>(Id::NULL);
@@ -56,9 +56,9 @@ impl DragAndDrop {
     ///
     /// Returns `Some` both during a drag and on the frame the pointer is released
     /// (if there is a payload).
-    pub fn payload<T>(ctx: &Context) -> Option<Arc<T>>
+    pub fn payload<Payload>(ctx: &Context) -> Option<Arc<Payload>>
     where
-        T: Any + Send + Sync,
+        Payload: Any + Send + Sync,
     {
         ctx.data(|data| {
             let state = data.get_temp::<Self>(Id::NULL)?;
@@ -71,11 +71,11 @@ impl DragAndDrop {
     ///
     /// Returns `true` both during a drag and on the frame the pointer is released
     /// (if there is a payload).
-    pub fn has_payload_of_type<T>(ctx: &Context) -> bool
+    pub fn has_payload_of_type<Payload>(ctx: &Context) -> bool
     where
-        T: Any + Send + Sync,
+        Payload: Any + Send + Sync,
     {
-        Self::payload::<T>(ctx).is_some()
+        Self::payload::<Payload>(ctx).is_some()
     }
 
     /// Are we carrying a payload?

crates/egui/src/response.rs

@@ -329,7 +329,7 @@ impl Response {
 
     /// If the user started dragging this widget this frame, store the payload for drag-and-drop.
     #[doc(alias = "drag and drop")]
-    pub fn dnd_set_drag_payload<T: Any + Send + Sync>(&self, payload: T) {
+    pub fn dnd_set_drag_payload<Payload: Any + Send + Sync>(&self, payload: Payload) {
         if self.drag_started() {
             crate::DragAndDrop::set_payload(&self.ctx, payload);
         }
@@ -346,11 +346,11 @@ impl Response {
     /// Only returns something if [`Self::contains_pointer`] is true,
     /// and the user is drag-dropping something of this type.
     #[doc(alias = "drag and drop")]
-    pub fn dnd_hover_payload<T: Any + Send + Sync>(&self) -> Option<Arc<T>> {
+    pub fn dnd_hover_payload<Payload: Any + Send + Sync>(&self) -> Option<Arc<Payload>> {
         // NOTE: we use `response.contains_pointer` here instead of `hovered`, because
         // `hovered` is always false when another widget is being dragged.
         if self.contains_pointer() {
-            crate::DragAndDrop::payload::<T>(&self.ctx)
+            crate::DragAndDrop::payload::<Payload>(&self.ctx)
         } else {
             None
         }
@@ -362,11 +362,11 @@ impl Response {
     /// the user is drag-dropping something of this type,
     /// and they released it this frame
     #[doc(alias = "drag and drop")]
-    pub fn dnd_release_payload<T: Any + Send + Sync>(&self) -> Option<Arc<T>> {
+    pub fn dnd_release_payload<Payload: Any + Send + Sync>(&self) -> Option<Arc<Payload>> {
         // NOTE: we use `response.contains_pointer` here instead of `hovered`, because
         // `hovered` is always false when another widget is being dragged.
         if self.contains_pointer() && self.ctx.input(|i| i.pointer.any_released()) {
-            crate::DragAndDrop::payload::<T>(&self.ctx)
+            crate::DragAndDrop::payload::<Payload>(&self.ctx)
         } else {
             None
         }