From 449050a31a232191761158217e698840548d4af8 Mon Sep 17 00:00:00 2001
From: bolshoytoster <toasterbig@gmail.com>
Date: Tue, 25 Aug 2026 22:54:14 +0100
Subject: [PATCH 1/2] Deprecate smallvec! and smallvec_inline!

---
 src/lib.rs | 7 +++----
 1 file changed, 3 insertions(+), 4 deletions(-)

diff --git a/src/lib.rs b/src/lib.rs
index 6ddc848e..1302832f 100644
--- a/src/lib.rs
+++ b/src/lib.rs
@@ -2641,6 +2641,7 @@ impl<T, const N: usize> core::iter::FromIterator<T> for SmallVec<T, N> {
     }
 }
 
+#[deprecated]
 #[macro_export]
 macro_rules! smallvec {
     ($elem:expr; $n:expr) => ({
@@ -2651,16 +2652,14 @@ macro_rules! smallvec {
     });
 }
 
+#[deprecated]
 #[macro_export]
 macro_rules! smallvec_inline {
-    // count helper: transform any expression into 1
-    (@one $x:expr) => (1usize);
     ($elem:expr; $n:expr) => ({
         $crate::SmallVec::<_, $n>::from_buf([$elem; $n])
     });
     ($($x:expr),+ $(,)?) => ({
-        const N: usize = 0usize $(+ $crate::smallvec_inline!(@one $x))*;
-        $crate::SmallVec::<_, N>::from_buf([$($x),*])
+        $crate::SmallVec::from_buf([$($x),*])
     });
 }
 

From 14626817b496b1ed6303b10efbc7c0dbaad92183 Mon Sep 17 00:00:00 2001
From: bolshoytoster <toasterbig@gmail.com>
Date: Tue, 25 Aug 2026 23:50:27 +0100
Subject: [PATCH 2/2] Disallow single comma as macro input

---
 src/lib.rs | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/src/lib.rs b/src/lib.rs
index 1302832f..e4418c69 100644
--- a/src/lib.rs
+++ b/src/lib.rs
@@ -2658,8 +2658,8 @@ macro_rules! smallvec_inline {
     ($elem:expr; $n:expr) => ({
         $crate::SmallVec::<_, $n>::from_buf([$elem; $n])
     });
-    ($($x:expr),+ $(,)?) => ({
-        $crate::SmallVec::from_buf([$($x),*])
+    ($($($x:expr),+$(,)?)?) => ({
+        $crate::SmallVec::from_buf([$($($x),+)?])
     });
 }