From 0670e1a6f5d9938d30d5d0674ea10752d4a58114 Mon Sep 17 00:00:00 2001
From: Behdad Esfahbod <behdad@fb.com>
Date: Thu, 14 Feb 2019 11:53:40 -0800
Subject: [PATCH] [iter] Remove excess use of universal references

Every time I have to study these to understand why a change is right..
---
 src/hb-iter.hh | 6 +++---
 1 file changed, 3 insertions(+), 3 deletions(-)

diff --git a/src/hb-iter.hh b/src/hb-iter.hh
index 9f912b912..2c885d676 100644
--- a/src/hb-iter.hh
+++ b/src/hb-iter.hh
@@ -270,7 +270,7 @@ struct hb_map_iter_t :
 template <typename Proj>
 struct hb_map_iter_factory_t
 {
-  hb_map_iter_factory_t (Proj&& f) : f (f) {}
+  hb_map_iter_factory_t (Proj f) : f (f) {}
 
   template <typename Iter,
 	    hb_enable_if (hb_is_iterator (Iter))>
@@ -310,7 +310,7 @@ struct hb_filter_iter_t :
 template <typename Pred, typename Proj>
 struct hb_filter_iter_factory_t
 {
-  hb_filter_iter_factory_t (Pred&& p, Proj&& f) : p (p), f (f) {}
+  hb_filter_iter_factory_t (Pred p, Proj f) : p (p), f (f) {}
 
   template <typename Iter,
 	    hb_enable_if (hb_is_iterator (Iter))>
@@ -375,7 +375,7 @@ static const struct
 template <typename Appl>
 struct hb_apply_t
 {
-  hb_apply_t (Appl&& a) : a (a) {}
+  hb_apply_t (Appl a) : a (a) {}
 
   template <typename Iter,
 	    hb_enable_if (hb_is_iterator (Iter))>