1 files changed, 12 insertions, 0 deletions
diff --git a/src/hir/serialise.cpp b/src/hir/serialise.cpp
index cb928832..36395105 100644
--- a/src/hir/serialise.cpp
+++ b/src/hir/serialise.cpp
@@ -633,6 +633,10 @@ namespace {
             (Trait,
                 m_out.write_tag(5);
                 serialise(e);
+                ),
+            (Union,
+                m_out.write_tag(6);
+                serialise(e);
                 )
             )
         }
@@ -756,6 +760,14 @@ namespace {
                 )
             )
         }
+        void serialise(const ::HIR::Union& item)
+        {
+            TRACE_FUNCTION;
+            
+            serialise_generics(item.m_params);
+            m_out.write_tag( static_cast<int>(item.m_repr) );
+            serialise_vec(item.m_variants);
+        }
         void serialise(const ::HIR::Trait& item)
         {
             TRACE_FUNCTION_F("_trait:");