From 1cc4f90b521cf3c6fd43f365b4000706a262fa05 Mon Sep 17 00:00:00 2001
From: Danny Robson <danny@nerdcruft.net>
Date: Wed, 11 Apr 2018 19:28:03 +1000
Subject: [PATCH] vector: add forwarding assignment operator

---
 vector.hpp | 12 +++++++++++-
 1 file changed, 11 insertions(+), 1 deletion(-)

diff --git a/vector.hpp b/vector.hpp
index 9a5908ee..4b2f5885 100644
--- a/vector.hpp
+++ b/vector.hpp
@@ -33,7 +33,17 @@ namespace util {
     struct vector : public coord::base<S,T,vector<S,T>>
     {
         using coord::base<S,T,vector<S,T>>::base;
-        using coord::base<S,T,vector<S,T>>::operator=;
+
+        // use a forwarding assignment operator so that we can let the base
+        // take care of the many different types of parameters. otherwise we
+        // have to deal with scalar, vector, initializer_list, ad nauseum.
+        template <typename Arg>
+        vector&
+        operator= (Arg&&arg)
+        {
+            coord::base<S,T,vector<S,T>>::operator=(std::forward<Arg> (arg));
+            return *this;
+        }
 
         // representations
         template <size_t D = 4>