From 892c0dfe587b7adb1c0b9629ccaad34ebd2af2f0 Mon Sep 17 00:00:00 2001
From: SOFe <sofe2038@gmail.com>
Date: Sat, 25 Nov 2023 22:27:36 +0800
Subject: [PATCH] chore: update rust-toolchain to 2023-11-21

---
 codegen/src/system/arg.rs             | 2 +-
 rust-toolchain                        | 2 +-
 src/lib.rs                            | 1 -
 src/scheduler/topology.rs             | 1 -
 src/world/rw/isotope/read/partial.rs  | 4 +---
 src/world/rw/isotope/write/partial.rs | 4 +---
 6 files changed, 4 insertions(+), 10 deletions(-)

diff --git a/codegen/src/system/arg.rs b/codegen/src/system/arg.rs
index eebac350eb..1ca0985a9f 100644
--- a/codegen/src/system/arg.rs
+++ b/codegen/src/system/arg.rs
@@ -82,7 +82,7 @@ fn isotope_partial_builder(
             ));
         }
 
-        let &arch = args.get(0).expect("args.len() >= 2");
+        let &arch = args.first().expect("args.len() >= 2");
         let &comp = args.get(1).expect("args.len() >= 2");
         let discrim_set = args.get(2).map(|&ty| Box::new(ty.clone())).ok_or(args_span);
 
diff --git a/rust-toolchain b/rust-toolchain
index 2540aa02c2..3882c635e0 100644
--- a/rust-toolchain
+++ b/rust-toolchain
@@ -1 +1 @@
-nightly-2023-09-01
+nightly-2023-11-21
diff --git a/src/lib.rs b/src/lib.rs
index 14460bd67b..c93d08caaa 100644
--- a/src/lib.rs
+++ b/src/lib.rs
@@ -163,7 +163,6 @@
     allow(dead_code)
 )]
 #![cfg_attr(doc, warn(missing_docs))]
-#![feature(return_position_impl_trait_in_trait)]
 #![feature(type_alias_impl_trait, impl_trait_in_assoc_type)]
 #![feature(maybe_uninit_uninit_array, maybe_uninit_array_assume_init)]
 #![feature(never_type)]
diff --git a/src/scheduler/topology.rs b/src/scheduler/topology.rs
index bfa35d28bc..439e0a82af 100644
--- a/src/scheduler/topology.rs
+++ b/src/scheduler/topology.rs
@@ -191,7 +191,6 @@ fn build_initials(
                 (node, WakeupState::Pending)
             }
             (node @ Node::Partition(_), 0) => (node, WakeupState::Completed),
-            _ => unreachable!(), // TODO remove this line when feature(precise_pointer_size_matching) is stable
         })
         .collect();
 
diff --git a/src/world/rw/isotope/read/partial.rs b/src/world/rw/isotope/read/partial.rs
index 72f07d0051..843ec60695 100644
--- a/src/world/rw/isotope/read/partial.rs
+++ b/src/world/rw/isotope/read/partial.rs
@@ -97,9 +97,7 @@ where
     type IterValues<'t> = impl Iterator<Item = (Self::Key, C::Discrim, &'t Self::IterValue)> + 't
     where
         Self: 't;
-    fn iter_values(&self) -> Self::IterValues<'_> {
-        self.storages.iter_mapped().map(|(key, discrim, storage)| (key, discrim, storage))
-    }
+    fn iter_values(&self) -> Self::IterValues<'_> { self.storages.iter_mapped() }
 }
 
 impl<A, C, DiscrimSet> PartialStorageMap<A, C> for Storages<A, C, DiscrimSet>
diff --git a/src/world/rw/isotope/write/partial.rs b/src/world/rw/isotope/write/partial.rs
index fd31505720..ad07a180a7 100644
--- a/src/world/rw/isotope/write/partial.rs
+++ b/src/world/rw/isotope/write/partial.rs
@@ -97,9 +97,7 @@ where
     type IterValues<'t> = impl Iterator<Item = (Self::Key, C::Discrim, &'t Self::IterValue)> + 't
     where
         Self: 't;
-    fn iter_values(&self) -> Self::IterValues<'_> {
-        self.storages.iter_mapped().map(|(key, discrim, storage)| (key, discrim, storage))
-    }
+    fn iter_values(&self) -> Self::IterValues<'_> { self.storages.iter_mapped() }
 }
 
 impl<A, C, DiscrimSet> PartialStorageMap<A, C> for Storages<A, C, DiscrimSet>