From 0fc9573263327b469d11335eb7e22e62e34f91c2 Mon Sep 17 00:00:00 2001
From: Robert Swiecki <robert@swiecki.net>
Date: Wed, 25 Mar 2026 08:45:17 +0100
Subject: [PATCH] Fix -Wctad-maybe-unsupported warning by adding an explicit
 deduction guide for Defer

---
 macros.h | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/macros.h b/macros.h
index 15cc8e0..aef9d05 100644
--- a/macros.h
+++ b/macros.h
@@ -58,6 +58,10 @@ struct Defer {
 	Defer& operator=(Defer&&) = default;
 };
 
+/* -Wctad-maybe-unsupported */
+template <typename F>
+Defer(F) -> Defer<F>;
+
 #define _DEFER_1(x, y) x##y
 #define _DEFER_2(x, y) _DEFER_1(x, y)
 #define _DEFER_3(x) _DEFER_2(x, __COUNTER__)