From 22a286cefe552a16ad1e7fb3013bd228d2804584 Mon Sep 17 00:00:00 2001
From: Gary Furnish <gfurnish@gfurnish.net>
Date: Sun, 9 Oct 2016 18:01:46 -0600
Subject: [PATCH] Fix #388 Deprecated implicit copy assignment operator for
 span_iterator in C++17.

---
 gsl/span | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/gsl/span b/gsl/span
index 62b63de..6f74dc5 100644
--- a/gsl/span
+++ b/gsl/span
@@ -163,6 +163,8 @@ namespace details
         {
         }
 
+        constexpr span_iterator<Span, IsConst>& operator=(const span_iterator<Span, IsConst>&) noexcept = default;
+
         constexpr reference operator*() const
         {
             Expects(span_);