now using a HashMap insted of a Vec to store repaint_after

crates/egui/src/context.rs

@@ -136,7 +136,7 @@ impl Repaint {
         &mut self,
         viewport_id: ViewportId,
         viewports: &[ViewportId],
-    ) -> Vec<(ViewportId, std::time::Duration)> {
+    ) -> HashMap<ViewportId, std::time::Duration> {
         // if repaint_requests is greater than zero. just set the duration to zero for immediate
         // repaint. if there's no repaint requests, then we can use the actual repaint_after instead.
         let repaint_after = if self
@@ -166,10 +166,7 @@ impl Repaint {
         self.repaint_requests
             .retain(|id, repaints| viewports.contains(id) && *repaints != 0);
 
-        self.repaint_after
-            .iter()
-            .map(|(id, time)| (*id, *time))
-            .collect()
+        self.repaint_after.clone()
     }
 }
 

crates/egui/src/data/output.rs

@@ -1,5 +1,7 @@
 //! All the data egui returns to the backend at the end of each frame.
 
+use ahash::HashMap;
+
 use crate::ViewportId;
 use crate::{ViewportCommand, ViewportOutput, WidgetType};
 
@@ -19,7 +21,7 @@ pub struct FullOutput {
     /// duration elapses. when in reactive mode, egui spends forever waiting for input and only then,
     /// will it repaint itself. this can be used to make sure that backend will only wait for a
     /// specified amount of time, and repaint egui without any new input.
-    pub repaint_after: Vec<(ViewportId, std::time::Duration)>,
+    pub repaint_after: HashMap<ViewportId, std::time::Duration>,
 
     /// Texture changes since last frame (including the font texture).
     ///