From aaebfa5b20a04f6341b0290eaf21c172a150e403 Mon Sep 17 00:00:00 2001
From: Daniel James <daniel@calamity.org.uk>
Date: Sat, 2 Dec 2017 10:40:16 +0000
Subject: [PATCH] Include boost/next_prior.hpp where needed

A recent change to boost/utility.hpp removed the include of this header,
so now it's needed for boost::prior and boost::next.

https://github.com/boostorg/utility/commit/b74f49f1e56e0be7eda4085de9aa0107526b423e
---
 include/boost/range/adaptor/sliced.hpp      | 1 +
 include/boost/range/detail/microsoft.hpp    | 1 +
 include/boost/range/detail/range_return.hpp | 1 +
 include/boost/range/iterator_range_core.hpp | 1 +
 4 files changed, 4 insertions(+)

diff --git a/include/boost/range/adaptor/sliced.hpp b/include/boost/range/adaptor/sliced.hpp
index a09cbd0..f8d9612 100644
--- a/include/boost/range/adaptor/sliced.hpp
+++ b/include/boost/range/adaptor/sliced.hpp
@@ -15,6 +15,7 @@
 #include <boost/range/size_type.hpp>
 #include <boost/range/iterator_range.hpp>
 #include <boost/range/concepts.hpp>
+#include <boost/next_prior.hpp>
 
 namespace boost
 {
diff --git a/include/boost/range/detail/microsoft.hpp b/include/boost/range/detail/microsoft.hpp
index 7b672c9..d04575c 100644
--- a/include/boost/range/detail/microsoft.hpp
+++ b/include/boost/range/detail/microsoft.hpp
@@ -58,6 +58,7 @@
 #include <boost/type_traits/remove_cv.hpp>
 #include <boost/utility/addressof.hpp>
 #include <boost/utility/enable_if.hpp> // disable_if
+#include <boost/next_prior.hpp>
 
 #if !defined(BOOST_RANGE_DETAIL_MICROSOFT_RANGE_VERSION_1)
     #include <boost/range/mutable_iterator.hpp>
diff --git a/include/boost/range/detail/range_return.hpp b/include/boost/range/detail/range_return.hpp
index 773a72a..9b98e09 100644
--- a/include/boost/range/detail/range_return.hpp
+++ b/include/boost/range/detail/range_return.hpp
@@ -12,6 +12,7 @@
 #include <boost/range/begin.hpp>
 #include <boost/range/end.hpp>
 #include <boost/range/iterator_range.hpp>
+#include <boost/next_prior.hpp>
 
 namespace boost
 {
diff --git a/include/boost/range/iterator_range_core.hpp b/include/boost/range/iterator_range_core.hpp
index a9e9fc0..7f2dc3f 100644
--- a/include/boost/range/iterator_range_core.hpp
+++ b/include/boost/range/iterator_range_core.hpp
@@ -42,6 +42,7 @@
 #include <boost/range/algorithm/equal.hpp>
 #include <boost/range/detail/safe_bool.hpp>
 #include <boost/utility/enable_if.hpp>
+#include <boost/next_prior.hpp>
 #include <iterator>
 #include <algorithm>
 #include <cstddef>