From 808dff7d2fa1916833b94b54800ddb6794782c0a Mon Sep 17 00:00:00 2001
From: Lee Clagett <code@leeclagett.com>
Date: Thu, 10 Oct 2024 14:37:03 -0400
Subject: [PATCH] Replace deprecated result_of with decltype

---
 src/lmdb/database.h | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/lmdb/database.h b/src/lmdb/database.h
index 0713476e5..595251c28 100644
--- a/src/lmdb/database.h
+++ b/src/lmdb/database.h
@@ -111,7 +111,7 @@ namespace lmdb
             \return The result of calling `f`.
         */
         template<typename F>
-        typename std::result_of<F(MDB_txn&)>::type try_write(F f, unsigned attempts = 3)
+        auto try_write(F f, unsigned attempts = 3) -> decltype(f(std::declval<MDB_txn&>()))
         {
             for (unsigned i = 0; i < attempts; ++i)
             {