From 743ff09368f223c56beeda9b72b0520766130322 Mon Sep 17 00:00:00 2001
From: Behdad Esfahbod <behdad@behdad.org>
Date: Wed, 26 Dec 2018 19:54:52 -0500
Subject: [PATCH] [iter] Implement friend opeator + (int, iter)

---
 src/hb-iter.hh   | 1 +
 src/test-iter.cc | 1 +
 2 files changed, 2 insertions(+)

diff --git a/src/hb-iter.hh b/src/hb-iter.hh
index a353dec0c..bfa744a4d 100644
--- a/src/hb-iter.hh
+++ b/src/hb-iter.hh
@@ -67,6 +67,7 @@ struct hb_iter_t
   iter_t& operator -= (unsigned count) { rewind (count); return *thiz(); }
   iter_t& operator -- () { prev (); return *thiz(); }
   iter_t operator + (unsigned count) const { iter_t c (*thiz()); c += count; return c; }
+  friend iter_t operator + (unsigned count, const iter_t &it) { return it + count; }
   iter_t operator ++ (int) { iter_t c (*thiz()); ++*thiz(); return c; }
   iter_t operator - (unsigned count) const { iter_t c (*thiz()); c -= count; return c; }
   iter_t operator -- (int) { iter_t c (*thiz()); --*thiz(); return c; }
diff --git a/src/test-iter.cc b/src/test-iter.cc
index 89ca79937..0e713e1f6 100644
--- a/src/test-iter.cc
+++ b/src/test-iter.cc
@@ -71,6 +71,7 @@ test_iterator (Iterator it)
 
   it += it.len () + 10;
   it = it + 10;
+  it = 10 + it;
 
   assert (*it == it[0]);