From 94e58437f89d6a4bfbac1ba10a07dcbebf64f5b7 Mon Sep 17 00:00:00 2001
From: Alice Ryhl <aliceryhl@google.com>
Date: Mon, 13 Jan 2025 10:13:56 +0100
Subject: [PATCH] IoSlice is not Copy on MSRV 2

---
 src/buf/take.rs | 26 +++++++++++++++++++++++---
 1 file changed, 23 insertions(+), 3 deletions(-)

diff --git a/src/buf/take.rs b/src/buf/take.rs
index 92e8ea061..7c83a6a74 100644
--- a/src/buf/take.rs
+++ b/src/buf/take.rs
@@ -162,9 +162,29 @@ impl<T: Buf> Buf for Take<T> {
             return 0;
         }
 
-        let mut slices = [IoSlice::new(&[]); 16];
-
-        let cnt = self.inner.chunks_vectored(&mut slices[..dst.len().min(16)]);
+        const LEN: usize = 16;
+        let mut slices: [IoSlice<'a>; LEN] = [
+            IoSlice::new(&[]),
+            IoSlice::new(&[]),
+            IoSlice::new(&[]),
+            IoSlice::new(&[]),
+            IoSlice::new(&[]),
+            IoSlice::new(&[]),
+            IoSlice::new(&[]),
+            IoSlice::new(&[]),
+            IoSlice::new(&[]),
+            IoSlice::new(&[]),
+            IoSlice::new(&[]),
+            IoSlice::new(&[]),
+            IoSlice::new(&[]),
+            IoSlice::new(&[]),
+            IoSlice::new(&[]),
+            IoSlice::new(&[]),
+        ];
+
+        let cnt = self
+            .inner
+            .chunks_vectored(&mut slices[..dst.len().min(LEN)]);
         let mut limit = self.limit;
         for (i, (dst, slice)) in dst[..cnt].iter_mut().zip(slices.iter()).enumerate() {
             if let Some(buf) = slice.get(..limit) {