From c336345cd93d1553e3a4c6a2f0ace4be2d7ad78b Mon Sep 17 00:00:00 2001
From: vector-of-bool <vectorofbool@gmail.com>
Date: Mon, 1 Apr 2024 00:39:21 -0600
Subject: [PATCH] Fix constraints on constructible_from

---
 src/neo/concepts.hpp | 7 ++++++-
 1 file changed, 6 insertions(+), 1 deletion(-)

diff --git a/src/neo/concepts.hpp b/src/neo/concepts.hpp
index e278e93..1a90ebe 100644
--- a/src/neo/concepts.hpp
+++ b/src/neo/concepts.hpp
@@ -45,7 +45,12 @@ concept destructible = requires {
 template <typename T, typename... Args>
 concept constructible_from =
         destructible<T>
-    and requires(Args&&... args) { T(NEO_FWD(args)...); }
+    and requires(Args&&... args) { T((Args&&)(args)...); }
+    #if NEO_HAS_BUILTIN(__is_constructible)
+    and __is_constructible(T, Args...)
+    #else
+    and std::is_constructible_v<T, Args...>
+    #endif
     ;
 
 /// Check whether one can static_cast<To>(From)