Merge branch 'master' into beacon

core/src/window/id.rs

@@ -1,10 +1,8 @@
+use std::fmt;
 use std::hash::Hash;
-
 use std::sync::atomic::{self, AtomicU64};
 
 /// The id of the window.
-///
-/// Internally Iced reserves `window::Id::MAIN` for the first window spawned.
 #[derive(Debug, Clone, Copy, PartialEq, Eq, Hash, PartialOrd, Ord)]
 #[cfg_attr(feature = "serde", derive(serde::Serialize, serde::Deserialize))]
 pub struct Id(u64);
@@ -12,11 +10,14 @@ pub struct Id(u64);
 static COUNT: AtomicU64 = AtomicU64::new(1);
 
 impl Id {
-    /// The reserved window [`Id`] for the first window in an Iced application.
-    pub const MAIN: Self = Id(0);
-
     /// Creates a new unique window [`Id`].
     pub fn unique() -> Id {
         Id(COUNT.fetch_add(1, atomic::Ordering::Relaxed))
     }
 }
+
+impl fmt::Display for Id {
+    fn fmt(&self, f: &mut fmt::Formatter<'_>) -> fmt::Result {
+        self.0.fmt(f)
+    }
+}