From 68100d9198ef1ba978523a79aca92917b31dd832 Mon Sep 17 00:00:00 2001
From: Vassil Vassilev <v.g.vassilev@gmail.com>
Date: Fri, 17 Jul 2020 08:16:46 +0300
Subject: [PATCH] Add missing includes

This patch allows the header to be built standalone, as part of clang C++ modules builds.
---
 include/boost/algorithm/string/detail/case_conv.hpp | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/include/boost/algorithm/string/detail/case_conv.hpp b/include/boost/algorithm/string/detail/case_conv.hpp
index 3ba317f..188602a 100644
--- a/include/boost/algorithm/string/detail/case_conv.hpp
+++ b/include/boost/algorithm/string/detail/case_conv.hpp
@@ -15,6 +15,9 @@
 #include <locale>
 #include <functional>
 
+#include <boost/iterator/transform_iterator.hpp>
+#include <boost/range/begin.hpp>
+#include <boost/range/end.hpp>
 #include <boost/type_traits/make_unsigned.hpp>
 
 namespace boost {