commit 0dc0da054d03584a1526ce852d0d3c7839e1d630
author Behdad Esfahbod <behdad@behdad.org> Wed Jul 06 12:33:37 2022 -0600
committer Behdad Esfahbod <behdad@behdad.org> Fri Jul 08 12:01:38 2022 -0600
tree 244412f0e68bc3efcaa243e4ba8ccdcee8a67b0c
parent 2c67261723a9a3081ee89549b89a3409ac8306fb

[iter] Add hb_is_sorted_iterator(_of)

src/hb-iter.hh

diff --git a/src/hb-iter.hh b/src/hb-iter.hh
index d4461f1..1a3ab43 100644
--- a/src/hb-iter.hh
+++ b/src/hb-iter.hh
@@ -253,6 +253,8 @@
 };
 #define hb_is_iterator_of(Iter, Item) hb_is_iterator_of<Iter, Item>::value
 #define hb_is_iterator(Iter) hb_is_iterator_of (Iter, typename Iter::item_t)
+#define hb_is_sorted_iterator_of(Iter, Item) (hb_is_iterator_of<Iter, Item>::value && Iter::is_sorted_iterator)
+#define hb_is_sorted_iterator(Iter) hb_is_sorted_iterator_of (Iter, typename Iter::item_t)
 
 /* hb_is_iterable() */
 

src/hb-ot-layout-common.hh

diff --git a/src/hb-ot-layout-common.hh b/src/hb-ot-layout-common.hh
index 226c3f0..c9f41dc 100644
--- a/src/hb-ot-layout-common.hh
+++ b/src/hb-ot-layout-common.hh
@@ -1926,7 +1926,7 @@
   }
 
   template<typename Iterator,
-	   hb_requires (hb_is_iterator (Iterator))>
+	   hb_requires (hb_is_sorted_iterator (Iterator))>
   bool serialize (hb_serialize_context_t *c,
 		  Iterator it)
   {
@@ -2138,7 +2138,7 @@
   }
 
   template<typename Iterator,
-	   hb_requires (hb_is_iterator (Iterator))>
+	   hb_requires (hb_is_sorted_iterator (Iterator))>
   bool serialize (hb_serialize_context_t *c,
 		  Iterator it)
   {
@@ -2411,7 +2411,7 @@
   }
 
   template<typename Iterator,
-	   hb_requires (hb_is_iterator (Iterator))>
+	   hb_requires (hb_is_sorted_iterator (Iterator))>
   bool serialize (hb_serialize_context_t *c, Iterator it_with_class_zero)
   {
     TRACE_SERIALIZE (this);