From 27ead86b360068c6473d9ee520c9c80983a2a477 Mon Sep 17 00:00:00 2001
From: Braden Ganetsky <braden.ganetsky@gmail.com>
Date: Fri, 31 May 2024 23:51:31 -0500
Subject: [PATCH] Write natvis for fca iterators

---
 extra/boost_unordered.natvis | 12 ++++++++++++
 1 file changed, 12 insertions(+)

diff --git a/extra/boost_unordered.natvis b/extra/boost_unordered.natvis
index 344ab554..308e2565 100644
--- a/extra/boost_unordered.natvis
+++ b/extra/boost_unordered.natvis
@@ -95,4 +95,16 @@ file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
         </Expand>
     </Type>
 
+    <!-- FCA iterators -->
+
+    <Type Name="boost::unordered::detail::iterator_detail::iterator&lt;*&gt;" Inheritable="false">
+        <AlternativeType Name="boost::unordered::detail::iterator_detail::c_iterator&lt;*&gt;" />
+        <Intrinsic Name="valid" Expression="p != nullptr &amp;&amp; itb.p != nullptr &amp;&amp; itb.pbg != nullptr" />
+        <DisplayString Condition="valid()">{p-&gt;buf.t_}</DisplayString>
+        <DisplayString Condition="!valid()">{{ end iterator }}</DisplayString>
+        <Expand>
+            <ExpandedItem Condition="valid()">p-&gt;buf.t_</ExpandedItem>
+        </Expand>
+    </Type>
+
 </AutoVisualizer>