From 51582558075557db274de8893bc43b1f0fd37893 Mon Sep 17 00:00:00 2001
From: Behdad Esfahbod <behdad@behdad.org>
Date: Sat, 11 May 2024 09:25:22 -0600
Subject: [PATCH] [set-digest] Add operator []. Also auto-initialize

---
 src/hb-set-digest.hh | 8 +++++++-
 1 file changed, 7 insertions(+), 1 deletion(-)

diff --git a/src/hb-set-digest.hh b/src/hb-set-digest.hh
index 5681641ba..b2994c9d5 100644
--- a/src/hb-set-digest.hh
+++ b/src/hb-set-digest.hh
@@ -129,11 +129,14 @@ struct hb_set_digest_bits_pattern_t
   bool may_have (hb_codepoint_t g) const
   { return mask & mask_for (g); }
 
+  bool operator [] (hb_codepoint_t g) const
+  { return may_have (g); }
+
   private:
 
   static mask_t mask_for (hb_codepoint_t g)
   { return ((mask_t) 1) << ((g >> shift) & (mask_bits - 1)); }
-  mask_t mask;
+  mask_t mask = 0;
 };
 
 template <typename head_t, typename tail_t>
@@ -188,6 +191,9 @@ struct hb_set_digest_combiner_t
     return head.may_have (g) && tail.may_have (g);
   }
 
+  bool operator [] (hb_codepoint_t g) const
+  { return may_have (g); }
+
   private:
   head_t head;
   tail_t tail;