From 488646bee79ba35fdbc35548c5c71bf273da65d0 Mon Sep 17 00:00:00 2001
From: Danny Robson <danny@nerdcruft.net>
Date: Wed, 13 Mar 2019 14:07:51 +1100
Subject: [PATCH] signal: add default move and copy operators

---
 signal.hpp | 8 ++++++++
 1 file changed, 8 insertions(+)

diff --git a/signal.hpp b/signal.hpp
index fe397299..62749a6d 100644
--- a/signal.hpp
+++ b/signal.hpp
@@ -114,6 +114,14 @@ namespace cruft {
 
         public:
             signal () = default;
+
+            signal (signal const&) = default;
+            signal& operator= (signal const&) = default;
+
+            signal (signal &&) noexcept = default;
+            signal& operator= (signal &&) noexcept = default;
+
+
             ~signal ()
             {
                 CHECK (empty ());