From fdaa01493749892eb5c8a7205c882c6e36eee770 Mon Sep 17 00:00:00 2001
From: JC <8765278+Crzyrndm@users.noreply.github.com>
Date: Mon, 16 Oct 2023 17:25:57 +1300
Subject: [PATCH] add `operator+(int, iterator)` overload

---
 include/nonstd/ring_span.hpp | 6 ++++++
 test/ring-span.t.cpp         | 1 +
 2 files changed, 7 insertions(+)

diff --git a/include/nonstd/ring_span.hpp b/include/nonstd/ring_span.hpp
index e4f64a8..2e4ea88 100644
--- a/include/nonstd/ring_span.hpp
+++ b/include/nonstd/ring_span.hpp
@@ -1104,6 +1104,12 @@ inline ring_iterator<RS,C> operator+( ring_iterator<RS,C> it, int i ) nsrs_noexc
     it += i; return it;
 }
 
+template< class RS, bool C >
+inline ring_iterator<RS,C> operator+(  int i, ring_iterator<RS,C> it ) nsrs_noexcept
+{
+    it += i; return it;
+}
+
 template< class RS, bool C >
 inline ring_iterator<RS,C> operator-( ring_iterator<RS,C> it, int i ) nsrs_noexcept
 {
diff --git a/test/ring-span.t.cpp b/test/ring-span.t.cpp
index f2ddec4..706416c 100644
--- a/test/ring-span.t.cpp
+++ b/test/ring-span.t.cpp
@@ -944,6 +944,7 @@ CASE( "ring_iterator: Allows to offset iterator (+)" " [extension]" )
     ring_span<int>::iterator pos = rs.begin();
 
     EXPECT( *(pos + 2) == arr[2] );
+    EXPECT( *(2 + pos) == arr[2] );
 #endif
 }