From db9f0d19ba4af7a123b24bc5a4ad577c2340dda8 Mon Sep 17 00:00:00 2001
From: Howard Hinnant <howard.hinnant@gmail.com>
Date: Tue, 3 Nov 2015 20:00:20 -0500
Subject: [PATCH] Make Zone move-only

---
 test/tz_test/zone.pass.cpp | 15 +++++++++++++++
 tz.h                       |  3 +++
 2 files changed, 18 insertions(+)
 create mode 100644 test/tz_test/zone.pass.cpp

diff --git a/test/tz_test/zone.pass.cpp b/test/tz_test/zone.pass.cpp
new file mode 100644
index 0000000..eed4698
--- /dev/null
+++ b/test/tz_test/zone.pass.cpp
@@ -0,0 +1,15 @@
+#include "tz.h"
+#include <type_traits>
+
+int
+main()
+{
+    using namespace std;
+    using namespace date;
+    static_assert( is_nothrow_destructible<Zone>{}, "");
+    static_assert(!is_default_constructible<Zone>{}, "");
+    static_assert(!is_copy_constructible<Zone>{}, "");
+    static_assert(!is_copy_assignable<Zone>{}, "");
+    static_assert( is_nothrow_move_constructible<Zone>{}, "");
+    static_assert( is_nothrow_move_assignable<Zone>{}, "");
+}
diff --git a/tz.h b/tz.h
index 8bf5c05..162c8a5 100644
--- a/tz.h
+++ b/tz.h
@@ -201,6 +201,9 @@ private:
     std::vector<zonelet> zonelets_;
 
 public:
+    Zone(Zone&&) = default;
+    Zone& operator=(Zone&&) = default;
+
     explicit Zone(const std::string& s);
 
     const std::string& name() const {return name_;}