From 5ceaafa5de8dff51fe91f7008a12ec9c304a1376 Mon Sep 17 00:00:00 2001
From: Behdad Esfahbod <behdad@behdad.org>
Date: Wed, 8 May 2019 14:59:25 -0700
Subject: [PATCH] [algs] Fix identity return type

---
 src/hb-algs.hh | 6 +++---
 1 file changed, 3 insertions(+), 3 deletions(-)

diff --git a/src/hb-algs.hh b/src/hb-algs.hh
index 52d40923e..d377772e0 100644
--- a/src/hb-algs.hh
+++ b/src/hb-algs.hh
@@ -36,15 +36,15 @@
 
 struct
 {
-  template <typename T> T
-  operator () (const T& v) const { return v; }
+  template <typename T> auto
+  operator () (T&& v) const HB_AUTO_RETURN ( hb_forward<T> (v) )
 }
 HB_FUNCOBJ (hb_identity);
 
 struct
 {
   template <typename T> bool
-  operator () (const T& v) const { return bool (v); }
+  operator () (T&& v) const { return bool (hb_forward<T> (v)); }
 }
 HB_FUNCOBJ (hb_bool);