commit 7bcc5dfa97a43d9c5f6dfdb87b4f0d5a589ecd48
author Behdad Esfahbod <behdad@behdad.org> Sun Jul 28 20:55:50 2019 -0700
committer Behdad Esfahbod <behdad@behdad.org> Sun Jul 28 20:55:50 2019 -0700
tree 9e5e3cec809e61dbfa8221cfd8075bd838d4256d
parent e21bdf500d4ecc3a5fd6f79aabf6232f3967035e

[iter] Fix accumulate to accept const types

src/hb-iter.hh

diff --git a/src/hb-iter.hh b/src/hb-iter.hh
index c820c8f..8d2ff80 100644
--- a/src/hb-iter.hh
+++ b/src/hb-iter.hh
@@ -480,7 +480,7 @@
 
   template <typename Iter,
 	    hb_requires (hb_is_iterator (Iter)),
-	    typename AccuT = hb_remove_reference<decltype (hb_declval (Redu) (hb_declval (InitT), hb_declval (typename Iter::item_t)))>>
+	    typename AccuT = hb_decay<decltype (hb_declval (Redu) (hb_declval (InitT), hb_declval (typename Iter::item_t)))>>
   AccuT
   operator () (Iter it)
   {