From 478a42536ff7ab777a7774fbfdb9c5e51334a14e Mon Sep 17 00:00:00 2001
From: Behdad Esfahbod <behdad@behdad.org>
Date: Thu, 5 May 2011 12:39:51 -0400
Subject: [PATCH] Make array/map implementation more generic

---
 src/hb-object-private.hh |  2 ++
 src/hb-private.hh        | 13 +++++++------
 2 files changed, 9 insertions(+), 6 deletions(-)

diff --git a/src/hb-object-private.hh b/src/hb-object-private.hh
index 1f49885..77e0089 100644
--- a/src/hb-object-private.hh
+++ b/src/hb-object-private.hh
@@ -125,6 +125,8 @@ struct hb_user_data_array_t {
       map.unset (key);
       return true;
     }
+    if (!key)
+      return false;
     hb_user_data_t user_data = {data, destroy};
     return map.set (key, user_data);
   }
diff --git a/src/hb-private.hh b/src/hb-private.hh
index 1d40d66..9a23cd3 100644
--- a/src/hb-private.hh
+++ b/src/hb-private.hh
@@ -300,20 +300,20 @@ struct hb_map_t
 
   private:
 
-  inline item_t *find (Key key) {
-    if (unlikely (!key)) return NULL;
+  template <typename T>
+  inline item_t *find (T key) {
     for (unsigned int i = 0; i < items.len; i++)
-      if (key == items[i].key)
+      if (items[i].key == key)
 	return &items[i];
     return NULL;
   }
 
   public:
 
-  inline bool set (Key   key,
+  template <typename T>
+  inline bool set (T     key,
 		   Value &value)
   {
-    if (unlikely (!key)) return NULL;
     item_t *item;
     item = find (key);
     if (item)
@@ -337,7 +337,8 @@ struct hb_map_t
     items.pop ();
   }
 
-  inline Value *get (Key key)
+  template <typename T>
+  inline Value *get (T key)
   {
     item_t *item = find (key);
     return item ? &item->value : NULL;
-- 
2.7.4