From d19c437da9964e30ecdd950f62f47d091a32a58e Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Lu=C3=ADs=20Ferreira?= <contact@lsferreira.net>
Date: Sun, 29 Aug 2021 02:52:09 +0100
Subject: [PATCH] std.typecons: make Nullable payload void initialized
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Signed-off-by: Luís Ferreira <contact@lsferreira.net>
---
 std/typecons.d | 8 ++++++--
 1 file changed, 6 insertions(+), 2 deletions(-)

diff --git a/std/typecons.d b/std/typecons.d
index feedf90e9..2f79a2413 100644
--- a/std/typecons.d
+++ b/std/typecons.d
@@ -2762,7 +2762,11 @@ struct Nullable(T)
 {
     private union DontCallDestructorT
     {
-        T payload;
+        import std.traits : hasIndirections;
+        static if (hasIndirections!T)
+            T payload;
+        else
+            T payload = void;
     }
 
     private DontCallDestructorT _value = DontCallDestructorT.init;
@@ -3020,7 +3024,7 @@ struct Nullable(T)
 
         if (_isNull)
         {
-            // trusted since payload is known to be T.init here.
+            // trusted since payload is known to be uninitialized.
             () @trusted { moveEmplace(copy.payload, _value.payload); }();
         }
         else