From 342d15ce569c3e4dba5280f792ebd0b8b1239d4e Mon Sep 17 00:00:00 2001
From: Howard Hinnant <howard.hinnant@gmail.com>
Date: Tue, 27 Oct 2015 11:52:31 -0400
Subject: [PATCH] Give last_spec an explicit default ctor

---
 date.h | 5 ++++-
 1 file changed, 4 insertions(+), 1 deletion(-)

diff --git a/date.h b/date.h
index beac1ff..105531e 100644
--- a/date.h
+++ b/date.h
@@ -81,7 +81,10 @@ using day_point = std::chrono::time_point<std::chrono::system_clock, days>;
 
 // types
 
-struct last_spec {};
+struct last_spec
+{
+    explicit last_spec() = default;
+};
 
 class day;
 class month;