From 989a7c992e374e42fcc0ac8b341ebf82e7c351ee Mon Sep 17 00:00:00 2001
From: Leonid Yuriev <leo@yuriev.ru>
Date: Sat, 26 Sep 2020 01:41:46 +0300
Subject: [PATCH] =?UTF-8?q?mdbx++:=20drop=20`mdbx:offset=5Fof`=20=D0=B8=20?=
 =?UTF-8?q?`mdbx::owner=5Fof`.?=
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Change-Id: Idfd0b20677388a009d7a3e0bd29b5afb9f767b8f
---
 mdbx.h++ | 28 ----------------------------
 1 file changed, 28 deletions(-)

diff --git a/mdbx.h++ b/mdbx.h++
index 1272ba54..7d39ca75 100644
--- a/mdbx.h++
+++ b/mdbx.h++
@@ -178,34 +178,6 @@ using build_info = ::MDBX_build_info;
 /// \brief Resutrns libmdbx build information.
 MDBX_CXX11_CONSTEXPR const build_info &get_build() noexcept;
 
-/// \brief Returns field offset in the container class.
-template <class CONTAINER, class MEMBER>
-static MDBX_CXX11_CONSTEXPR ptrdiff_t
-offset_of(const MEMBER CONTAINER::*const member) {
-  return static_cast<const char *>(static_cast<const void *>(
-             &(static_cast<const CONTAINER *>(nullptr)->*member))) -
-         static_cast<const char *>(nullptr);
-}
-
-/// \brief Returns const pointer to container class instance
-/// by const pointer to the member field.
-template <class CONTAINER, class MEMBER>
-static MDBX_CXX11_CONSTEXPR const CONTAINER *
-owner_of(const MEMBER *ptr, const MEMBER CONTAINER::*member) {
-  return static_cast<const CONTAINER *>(static_cast<const void *>(
-      static_cast<const char *>(static_cast<const void *>(ptr)) -
-      offset_of(member)));
-}
-
-/// \brief Returns non-const pointer to container class instance
-/// by non-const pointer to the member field.
-template <class CONTAINER, class MEMBER>
-static MDBX_CXX11_CONSTEXPR CONTAINER *
-owner_of(MEMBER *ptr, const MEMBER CONTAINER::*member) {
-  return static_cast<CONTAINER *>(static_cast<void *>(
-      static_cast<char *>(static_cast<void *>(ptr)) - offset_of(member)));
-}
-
 /// \brief constexpr-compatible strlen().
 static MDBX_CXX17_CONSTEXPR size_t strlen(const char *c_str) noexcept;