[map] Add INVALID_KEY and INVALID_VALUE

3 years ago · b1cd0dce8e
parent 540f19b6fe
commit b1cd0dce8e
1 changed files with 3 additions and 0 deletions
--- a/src/hb-map.hh
+++ b/src/hb-map.hh
@ -39,6 +39,9 @@ template <typename K, typename V,
 	  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 (); }