From 68914708b2edc36af9503b45454ba302ccb04950 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Ion=20Gazta=C3=B1aga?= <igaztanaga@gmail.com>
Date: Mon, 24 Nov 2025 21:25:04 +0100
Subject: [PATCH] Add dummy allocator utility to be able to use
 allocator_traits machinery without instantiating a real allocator

---
 include/boost/container/allocator_traits.hpp | 9 +++++++++
 1 file changed, 9 insertions(+)

diff --git a/include/boost/container/allocator_traits.hpp b/include/boost/container/allocator_traits.hpp
index 712ab29..95b1fa3 100644
--- a/include/boost/container/allocator_traits.hpp
+++ b/include/boost/container/allocator_traits.hpp
@@ -86,6 +86,15 @@ namespace boost {
 namespace container {
 namespace dtl {
 
+template <class T>
+class allocator_traits_dummy
+{
+   public:
+   typedef T value_type;
+   T *allocate(std::size_t){ return 0;  }
+   void deallocate(T *, std::size_t){}
+};
+
 #if !defined(BOOST_NO_CXX11_VARIADIC_TEMPLATES)
 
 template<class T, class ...Args>