From a3b7877fbbeac80f9b9daf8c075d8964b2ecff6f Mon Sep 17 00:00:00 2001
From: Vinnie Falco <vinnie.falco@gmail.com>
Date: Wed, 8 Sep 2021 13:12:16 -0700
Subject: [PATCH] Add path_view difference_type

---
 include/boost/url/impl/path_view.hpp | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/include/boost/url/impl/path_view.hpp b/include/boost/url/impl/path_view.hpp
index e4ddeb60..525a7357 100644
--- a/include/boost/url/impl/path_view.hpp
+++ b/include/boost/url/impl/path_view.hpp
@@ -40,6 +40,8 @@ public:
         path_view::value_type;
     using pointer = value_type const*;
     using reference = value_type const&;
+    using difference_type =
+        std::ptrdiff_t;
     using iterator_category =
         std::forward_iterator_tag;