From b102ae6d6ea778f28d4213b5b886dcb51a9b0fd9 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?John=20Ankarstr=C3=B6m?= <john@ankarstrom.se>
Date: Tue, 19 Jul 2022 22:13:16 +0200
Subject: Use std::declval.

This is equivalent, but it may be useful to highlight that `args' does
not HAVE to be declared in order to get the return type of the
function call.
---
 c/common.h | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

(limited to 'c/common.h')

diff --git a/c/common.h b/c/common.h
index efaa800..7d3f8bd 100644
--- a/c/common.h
+++ b/c/common.h
@@ -66,7 +66,7 @@ inline auto throw_nil(T... args)
 template <auto f, class... T>
 inline auto warn_nil(T... args)
 {
-	decltype(f(args...)) r;
+	decltype(f(std::declval<T>()...)) r;
 	try {
 		r = throw_nil<f>(args...);
 	} catch (Win32Error& e) {
-- 
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