add assignment operator to NamedValue

ISO 14882:2011 12.8 - 18
"If the class definition declares a move constructor or move assignment operator, the implicitly declared copy
assignment operator is defined as deleted;"

1 files changed, 6 insertions, 0 deletions

diff --git a/paludis/util/named_value.hh b/paludis/util/named_value.hh
index bf6119832..6375de01f 100644
--- a/paludis/util/named_value.hh
+++ b/paludis/util/named_value.hh
@@ -90,6 +90,12 @@ namespace paludis
             {
             }
 
+            NamedValue & operator=(const NamedValue & v)
+            {
+                _value = v._value;
+                return *this;
+            }
+
             V_ & operator() ()
             {
                 return _value;