From ba2955fe3aa08456ed61a0e087be1e2ec46927e0 Mon Sep 17 00:00:00 2001
From: CJ van den Berg <cj@vdbonline.com>
Date: Fri, 8 Aug 2025 12:45:58 +0200
Subject: [PATCH] fix: extraction of null optional values

---
 src/cbor.zig | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/src/cbor.zig b/src/cbor.zig
index a4d53e2..549212b 100644
--- a/src/cbor.zig
+++ b/src/cbor.zig
@@ -1244,6 +1244,10 @@ fn Extractor(comptime T: type) type {
                 },
                 .optional => |opt_info| {
                     var nested: opt_info.child = undefined;
+                    if (try matchNull(iter)) {
+                        self.dest.* = null;
+                        return true;
+                    }
                     const extractor = Extractor(opt_info.child).init(&nested);
                     if (try extractor.extract(iter)) {
                         self.dest.* = nested;