From d600e844aa4736b52fe71c1b2a9fa785be5cfecc Mon Sep 17 00:00:00 2001
From: Behdad Esfahbod <behdad@behdad.org>
Date: Wed, 30 May 2018 16:25:46 -0700
Subject: [PATCH] Add CrapOrNull

---
 src/hb-private.hh | 11 +++++++++++
 1 file changed, 11 insertions(+)

diff --git a/src/hb-private.hh b/src/hb-private.hh
index 4a8f795e4..e3ca2aee1 100644
--- a/src/hb-private.hh
+++ b/src/hb-private.hh
@@ -605,6 +605,17 @@ static inline Type& Crap (void) {
 }
 #define Crap(Type) Crap<Type>()
 
+template <typename Type>
+struct CrapOrNull {
+  static inline Type & get (void) { return Crap(Type); }
+};
+template <typename Type>
+struct CrapOrNull<const Type> {
+  static inline Type const & get (void) { return Null(Type); }
+};
+#define CrapOrNull(Type) CrapOrNull<Type>::get ()
+
+
 
 /* arrays and maps */