From 21bfc043f0984e2358327d983e130384f575c45c Mon Sep 17 00:00:00 2001
From: Wunkolo <Wunkolo@gmail.com>
Date: Sat, 2 Mar 2024 10:47:33 -0800
Subject: [PATCH] Common/Hash: Add `ComputeHash64` `std::span` interface

---
 src/common/hash.h | 10 ++++++++++
 1 file changed, 10 insertions(+)

diff --git a/src/common/hash.h b/src/common/hash.h
index 1a222b22e..9fb21775a 100644
--- a/src/common/hash.h
+++ b/src/common/hash.h
@@ -6,6 +6,7 @@
 
 #include <cstddef>
 #include <cstring>
+#include <span>
 #include "common/cityhash.h"
 #include "common/common_types.h"
 
@@ -21,6 +22,15 @@ static inline u64 ComputeHash64(const void* data, std::size_t len) noexcept {
     return CityHash64(static_cast<const char*>(data), len);
 }
 
+/**
+ * Computes a 64-bit hash over the specified block of data
+ * @param data Block of data to compute hash over
+ * @returns 64-bit hash value that was computed over the data block
+ */
+static inline u64 ComputeHash64(std::span<const std::byte> data) noexcept {
+    return ComputeHash64(data.data(), data.size());
+}
+
 /**
  * Computes a 64-bit hash of a struct. In addition to being trivially copyable, it is also critical
  * that either the struct includes no padding, or that any padding is initialized to a known value