From 413d231d2917172b75088e09ae7aa2d9e97191e2 Mon Sep 17 00:00:00 2001
From: Justin Tirrell <jjttjj@gmail.com>
Date: Thu, 10 Oct 2024 11:56:28 -0400
Subject: [PATCH] Add support for named union members in c-layout

---
 src/clj/coffi/mem.clj | 7 ++++++-
 1 file changed, 6 insertions(+), 1 deletion(-)

diff --git a/src/clj/coffi/mem.clj b/src/clj/coffi/mem.clj
index 955d821..c6609a4 100644
--- a/src/clj/coffi/mem.clj
+++ b/src/clj/coffi/mem.clj
@@ -1149,7 +1149,12 @@
 
 (defmethod c-layout ::union
   [[_union types & {:as _opts} :as _type]]
-  (let [items (map c-layout types)]
+  (let [items (if (map? types)
+                (map
+                  (fn [[field-name field]]
+                    (.withName ^MemoryLayout (c-layout field) (name field-name)))
+                  types)
+                (map c-layout types))]
     (MemoryLayout/unionLayout
      (into-array MemoryLayout items))))