1 files changed, 6 insertions, 0 deletions
diff --git a/cutl/compiler/context.hxx b/cutl/compiler/context.hxx
index e603f97..32f301f 100644
--- a/cutl/compiler/context.hxx
+++ b/cutl/compiler/context.hxx
@@ -26,6 +26,12 @@ namespace cutl
     public:
       context () {}
 
+      void
+      swap (context& c)
+      {
+        map_.swap (c.map_);
+      }
+
     private:
       context (context const&);