From 7174de0d79093c7e1b011e18af4b756a74a06561 Mon Sep 17 00:00:00 2001
From: Victor Zverovich <victor.zverovich@gmail.com>
Date: Wed, 18 Oct 2017 06:36:08 -0700
Subject: [PATCH] Fix contexpr-ness of pointer_from

---
 fmt/format.h | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/fmt/format.h b/fmt/format.h
index 7d88a3a2..800daa95 100644
--- a/fmt/format.h
+++ b/fmt/format.h
@@ -832,7 +832,7 @@ class null_terminating_iterator {
     return ptr_ >= other.ptr_;
   }
 
-  friend const Char *pointer_from<Char>(null_terminating_iterator it);
+  friend constexpr const Char *pointer_from<Char>(null_terminating_iterator it);
 
  private:
   const Char *ptr_;