From 154f1d32366449dcccf6375a173adf4ed2a74429 Mon Sep 17 00:00:00 2001
From: Sebastian Vogt <sebastian1210@web.de>
Date: Wed, 9 Feb 2022 14:05:28 +0100
Subject: [PATCH] Implement BBV custom contains function. (#2044)

---
 Sources/NIOCore/ByteBuffer-views.swift | 7 +++++++
 1 file changed, 7 insertions(+)

diff --git a/Sources/NIOCore/ByteBuffer-views.swift b/Sources/NIOCore/ByteBuffer-views.swift
index 542be67654..950ddf015c 100644
--- a/Sources/NIOCore/ByteBuffer-views.swift
+++ b/Sources/NIOCore/ByteBuffer-views.swift
@@ -113,6 +113,13 @@ public struct ByteBufferView: RandomAccessCollection {
             return ptr.lastIndex(of: element).map { $0 + self._range.lowerBound }
         })
     }
+    
+    @inlinable
+    public func _customContainsEquatableElement(_ element: Element) -> Bool? {
+        return .some(self.withUnsafeBytes { ptr -> Bool in
+            return ptr.contains(element)
+        })
+    }
 
     @inlinable
     public func _copyContents(