From 4ec706980c9f5583b9c6db2862b9603bba284055 Mon Sep 17 00:00:00 2001
From: Behdad Esfahbod <behdad@behdad.org>
Date: Fri, 18 Nov 2022 16:39:30 -0700
Subject: [PATCH] [map] Rewrite hash() as dagger

Somehow our daggers instead of for loop save size. I cannot
pinpoint why, other than maybe not inlining.
---
 src/hb-map.hh | 8 ++++----
 1 file changed, 4 insertions(+), 4 deletions(-)

diff --git a/src/hb-map.hh b/src/hb-map.hh
index f8e3fab05..3929b07cc 100644
--- a/src/hb-map.hh
+++ b/src/hb-map.hh
@@ -250,10 +250,10 @@ struct hb_hashmap_t
 
   uint32_t hash () const
   {
-    uint32_t h = 0;
-    for (auto item : iter_items ())
-      h ^= item.total_hash ();
-    return h;
+    return
+    + iter_items ()
+    | hb_reduce ([] (uint32_t h, const item_t &_) { return h ^ _.total_hash (); }, (uint32_t) 0u)
+    ;
   }
 
   bool is_equal (const hb_hashmap_t &other) const