Remove const and references when binding Null()
Fixes https://github.com/harfbuzz/harfbuzz/issues/1299
Removes anomaly I was seeing in cpal table trying to use implicit Null(NameID).
diff --git a/src/hb.hh b/src/hb.hh
index 098b566..ea47429 100644
--- a/src/hb.hh
+++ b/src/hb.hh
@@ -495,6 +495,15 @@
#define HB_SCRIPT_MYANMAR_ZAWGYI ((hb_script_t) HB_TAG ('Q','a','a','g'))
+/* Some really basic things everyone wants. */
+template <typename T> struct hb_remove_const { typedef T value; };
+template <typename T> struct hb_remove_const<const T> { typedef T value; };
+template <typename T> struct hb_remove_reference { typedef T value; };
+template <typename T> struct hb_remove_reference<T &> { typedef T value; };
+template <typename T> struct hb_remove_pointer { typedef T value; };
+template <typename T> struct hb_remove_pointer<T *> { typedef T value; };
+
+
/* Headers we include for everyone. Keep sorted. They express dependency amongst
* themselves, but no other file should include them.*/
#include "hb-atomic.hh"
