commit b1cd0dce8ed2fff2b781dfb432777db7de5f3f80
author Behdad Esfahbod <behdad@behdad.org> Tue Nov 02 17:56:11 2021 -0600
committer Behdad Esfahbod <behdad@behdad.org> Tue Nov 02 17:56:11 2021 -0600
tree ee7c1133edc79045d2f738a8fe7da522f436434a
parent 540f19b6fe0de39312bc3f881be16e76dd902c33

[map] Add INVALID_KEY and INVALID_VALUE

src/hb-map.hh

diff --git a/src/hb-map.hh b/src/hb-map.hh
index 311e612..bb4a0eb 100644
--- a/src/hb-map.hh
+++ b/src/hb-map.hh
@@ -39,6 +39,9 @@
 	  V vINVALID = hb_is_pointer (V) ? 0 : std::is_signed<V>::value ? hb_int_min (V) : (V) -1>
 struct hb_hashmap_t
 {
+  static constexpr K INVALID_KEY   = kINVALID;
+  static constexpr V INVALID_VALUE = vINVALID;
+
   hb_hashmap_t ()  { init (); }
   ~hb_hashmap_t () { fini (); }