removed c++03 polyfills

CMakeLists.txt

@@ -3,12 +3,13 @@
 # Distributed under the Boost Software License, Version 1.0.
 # https://www.boost.org/LICENSE_1_0.txt
 
-cmake_minimum_required(VERSION 3.5...3.16)
+cmake_minimum_required(VERSION 3.8...3.16)
 
 project(boost_multi_index VERSION "${BOOST_SUPERPROJECT_VERSION}" LANGUAGES CXX)
 
 add_library(boost_multi_index INTERFACE)
 add_library(Boost::multi_index ALIAS boost_multi_index)
+target_compile_features(boost_multi_index INTERFACE cxx_std_11)
 
 target_include_directories(boost_multi_index INTERFACE include)
 
@@ -20,7 +21,6 @@ target_link_libraries(boost_multi_index
     Boost::container_hash
     Boost::core
     Boost::integer
-    Boost::move
     Boost::mp11
     Boost::preprocessor
     Boost::smart_ptr

README.md

@@ -2,7 +2,7 @@
 
 [![Branch](https://img.shields.io/badge/branch-master-brightgreen.svg)](https://github.com/boostorg/multi_index/tree/master) [![CI](https://github.com/boostorg/multi_index/actions/workflows/ci.yml/badge.svg?branch=master)](https://github.com/boostorg/multi_index/actions/workflows/ci.yml) [![Drone status](https://img.shields.io/drone/build/boostorg/multi_index/master?server=https%3A%2F%2Fdrone.cpp.al&logo=drone&logoColor=%23CCCCCC&label=CI)](https://drone.cpp.al/boostorg/multi_index)  [![Deps](https://img.shields.io/badge/deps-master-brightgreen.svg)](https://pdimov.github.io/boostdep-report/master/multi_index.html)  [![Documentation](https://img.shields.io/badge/docs-master-brightgreen.svg)](https://www.boost.org/doc/libs/master/libs/multi_index)  [![Enter the Matrix](https://img.shields.io/badge/matrix-master-brightgreen.svg)](https://regression.boost.org/master/developer/multi_index.html)<br/>
 [![Branch](https://img.shields.io/badge/branch-develop-brightgreen.svg)](https://github.com/boostorg/multi_index/tree/develop) [![CI](https://github.com/boostorg/multi_index/actions/workflows/ci.yml/badge.svg?branch=develop)](https://github.com/boostorg/multi_index/actions/workflows/ci.yml) [![Drone status](https://img.shields.io/drone/build/boostorg/multi_index/develop?server=https%3A%2F%2Fdrone.cpp.al&logo=drone&logoColor=%23CCCCCC&label=CI)](https://drone.cpp.al/boostorg/multi_index)  [![Deps](https://img.shields.io/badge/deps-develop-brightgreen.svg)](https://pdimov.github.io/boostdep-report/develop/multi_index.html) [![Documentation](https://img.shields.io/badge/docs-develop-brightgreen.svg)](https://www.boost.org/doc/libs/develop/libs/multi_index) [![Enter the Matrix](https://img.shields.io/badge/matrix-develop-brightgreen.svg)](https://regression.boost.org/develop/developer/multi_index.html)<br/>
-[![BSL 1.0](https://img.shields.io/badge/license-BSL_1.0-blue.svg)](https://www.boost.org/users/license.html) <img alt="Header-only library" src="https://img.shields.io/badge/build-header--only-blue.svg">
+[![BSL 1.0](https://img.shields.io/badge/license-BSL_1.0-blue.svg)](https://www.boost.org/users/license.html) <img alt="C++11 required" src="https://img.shields.io/badge/standard-C%2b%2b11-blue.svg"> <img alt="Header-only library" src="https://img.shields.io/badge/build-header--only-blue.svg">
 
 [Boost.MultiIndex](http://boost.org/libs/multi_index) provides a class template
 named `multi_index_container` which enables the construction of containers

build.jam

@@ -12,7 +12,6 @@ constant boost_dependencies :
     /boost/container_hash//boost_container_hash
     /boost/core//boost_core
     /boost/integer//boost_integer
-    /boost/move//boost_move
     /boost/mp11//boost_mp11
     /boost/preprocessor//boost_preprocessor
     /boost/smart_ptr//boost_smart_ptr

doc/index.html

@@ -67,7 +67,6 @@ <h2>Contents</h2>
 <ul>
   <li><a href="tutorial/index.html">Tutorial</a></li>
   <li><a href="reference/index.html">Reference</a></li>
-  <li><a href="compiler_specifics.html">Compiler specifics</a></li>
   <li><a href="performance.html">Performance</a></li>
   <li><a href="examples.html">Examples</a></li>
   <li><a href="tests.html">Tests</a></li>
@@ -86,9 +85,9 @@ <h2>Contents</h2>
 
 <br>
 
-<p>Revised April 19th 2015</p>
+<p>Revised November 7th 2025</p>
 
-<p>&copy; Copyright 2003-2015 Joaqu&iacute;n M L&oacute;pez Mu&ntilde;oz.
+<p>&copy; Copyright 2003-2025 Joaqu&iacute;n M L&oacute;pez Mu&ntilde;oz.
 Distributed under the Boost Software 
 License, Version 1.0. (See accompanying file <a href="../../../LICENSE_1_0.txt">
 LICENSE_1_0.txt</a> or copy at <a href="http://www.boost.org/LICENSE_1_0.txt">

doc/performance.html

@@ -6,7 +6,7 @@
 <title>Boost.MultiIndex Documentation - Performance</title>
 <link rel="stylesheet" href="style.css" type="text/css">
 <link rel="start" href="index.html">
-<link rel="prev" href="compiler_specifics.html">
+<link rel="prev" href="reference/key_extraction.html">
 <link rel="up" href="index.html">
 <link rel="next" href="examples.html">
 </head>
@@ -15,8 +15,8 @@
 <h1><img src="../../../boost.png" alt="boost.png (6897 bytes)" align=
 "middle" width="277" height="86">Boost.MultiIndex Performance</h1>
 
-<div class="prev_link"><a href="compiler_specifics.html"><img src="prev.gif" alt="compiler specifics" border="0"><br>
-Compiler specifics
+<div class="prev_link"><a href="reference/key_extraction.html"><img src="prev.gif" alt="key extraction" border="0"><br>
+Key extraction
 </a></div>
 <div class="up_link"><a href="index.html"><img src="up.gif" alt="index" border="0"><br>
 Index
@@ -737,8 +737,8 @@ <h2><a name="conclusions">Conclusions</a></h2>
 
 <hr>
 
-<div class="prev_link"><a href="compiler_specifics.html"><img src="prev.gif" alt="compiler specifics" border="0"><br>
-Compiler specifics
+<div class="prev_link"><a href="reference/key_extraction.html"><img src="prev.gif" alt="key extraction" border="0"><br>
+Key extraction
 </a></div>
 <div class="up_link"><a href="index.html"><img src="up.gif" alt="index" border="0"><br>
 Index
@@ -749,9 +749,9 @@ <h2><a name="conclusions">Conclusions</a></h2>
 
 <br>
 
-<p>Revised April 18th 2020</p>
+<p>Revised November 7th 2025</p>
 
-<p>&copy; Copyright 2003-2020 Joaqu&iacute;n M L&oacute;pez Mu&ntilde;oz.
+<p>&copy; Copyright 2003-2025 Joaqu&iacute;n M L&oacute;pez Mu&ntilde;oz.
 Distributed under the Boost Software 
 License, Version 1.0. (See accompanying file <a href="../../../LICENSE_1_0.txt">
 LICENSE_1_0.txt</a> or copy at <a href="http://www.boost.org/LICENSE_1_0.txt">

doc/reference/key_extraction.html

@@ -8,7 +8,7 @@
 <link rel="start" href="../index.html">
 <link rel="prev" href="rnd_indices.html">
 <link rel="up" href="index.html">
-<link rel="next" href="../compiler_specifics.html">
+<link rel="next" href="../performance.html">
 </head>
 
 <body>
@@ -21,8 +21,8 @@ <h1><img src="../../../../boost.png" alt="boost.png (6897 bytes)" align=
 <div class="up_link"><a href="index.html"><img src="../up.gif" alt="Boost.MultiIndex reference" border="0"><br>
 Boost.MultiIndex reference
 </a></div>
-<div class="next_link"><a href="../compiler_specifics.html"><img src="../next.gif" alt="compiler specifics" border="0"><br>
-Compiler specifics
+<div class="next_link"><a href="../performance.html"><img src="../next.gif" alt="performance" border="0"><br>
+Performance
 </a></div><br clear="all" style="clear: all;">
 
 <hr>
@@ -2246,13 +2246,13 @@ <h3><a name="key">Alias template <code>key</code></a></h3>
 <div class="up_link"><a href="index.html"><img src="../up.gif" alt="Boost.MultiIndex reference" border="0"><br>
 Boost.MultiIndex reference
 </a></div>
-<div class="next_link"><a href="../compiler_specifics.html"><img src="../next.gif" alt="compiler specifics" border="0"><br>
-Compiler specifics
+<div class="next_link"><a href="../performance.html"><img src="../next.gif" alt="performance" border="0"><br>
+Performance
 </a></div><br clear="all" style="clear: all;">
 
 <br>
 
-<p>Revised November 3rd 2025</p>
+<p>Revised November 7th 2025</p>
 
 <p>&copy; Copyright 2003-2025 Joaqu&iacute;n M L&oacute;pez Mu&ntilde;oz.
 Distributed under the Boost Software