From 8e903c4f1b2166f5686eed5ddd58e7718a0b7ca9 Mon Sep 17 00:00:00 2001
From: Krystian Stasiowski <sdkrystian@gmail.com>
Date: Mon, 16 Dec 2019 13:56:16 -0500
Subject: [PATCH] constexpr reverse iterators

---
 include/boost/static_string/static_string.hpp | 6 ++++++
 1 file changed, 6 insertions(+)

diff --git a/include/boost/static_string/static_string.hpp b/include/boost/static_string/static_string.hpp
index cd37c60..2d95470 100644
--- a/include/boost/static_string/static_string.hpp
+++ b/include/boost/static_string/static_string.hpp
@@ -658,6 +658,7 @@ public:
     }
 
     /// Returns a reverse iterator to the beginning.
+    BOOST_STATIC_STRING_CPP17_CONSTEXPR
     reverse_iterator
     rbegin() noexcept
     {
@@ -665,6 +666,7 @@ public:
     }
 
     /// Returns a reverse iterator to the beginning.
+    BOOST_STATIC_STRING_CPP17_CONSTEXPR
     const_reverse_iterator
     rbegin() const noexcept
     {
@@ -672,6 +674,7 @@ public:
     }
 
     /// Returns a reverse iterator to the beginning.
+    BOOST_STATIC_STRING_CPP17_CONSTEXPR
     const_reverse_iterator
     crbegin() const noexcept
     {
@@ -679,6 +682,7 @@ public:
     }
 
     /// Returns a reverse iterator to the end.
+    BOOST_STATIC_STRING_CPP17_CONSTEXPR
     reverse_iterator
     rend() noexcept
     {
@@ -686,6 +690,7 @@ public:
     }
 
     /// Returns a reverse iterator to the end.
+    BOOST_STATIC_STRING_CPP17_CONSTEXPR
     const_reverse_iterator
     rend() const noexcept
     {
@@ -693,6 +698,7 @@ public:
     }
 
     /// Returns a reverse iterator to the end.
+    BOOST_STATIC_STRING_CPP17_CONSTEXPR
     const_reverse_iterator
     crend() const noexcept
     {