From 5b856423d1acff8a06f40cb02732099cea25ccbb Mon Sep 17 00:00:00 2001
From: CJ van den Berg <cj@vdbonline.com>
Date: Thu, 12 Mar 2026 19:35:36 +0100
Subject: [PATCH] fix: extractAlloc should correctly handle optional values
 that are null

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

diff --git a/src/cbor.zig b/src/cbor.zig
index f545292..329b256 100644
--- a/src/cbor.zig
+++ b/src/cbor.zig
@@ -1173,6 +1173,10 @@ fn GenericExtractorAlloc(T: type) type {
                         else => extractError(T),
                     },
                     .optional => |opt_info| {
+                        if (try matchNull(iter)) {
+                            self.dest.* = null;
+                            return true;
+                        }
                         var nested: opt_info.child = undefined;
                         const extractor = GenericExtractorAlloc(opt_info.child).init(&nested, self.allocator);
                         if (try extractor.extract(iter)) {