From 7e6a08def72e6953605f2320b90da4e78339a59a Mon Sep 17 00:00:00 2001
From: Michael Davidsaver <mdavidsaver@gmail.com>
Date: Fri, 17 Apr 2020 14:15:16 -0700
Subject: [PATCH] fix Delta print of Union

---
 src/datafmt.cpp   | 3 ++-
 test/testtype.cpp | 1 +
 2 files changed, 3 insertions(+), 1 deletion(-)

diff --git a/src/datafmt.cpp b/src/datafmt.cpp
index 8844d81..88de1c9 100644
--- a/src/datafmt.cpp
+++ b/src/datafmt.cpp
@@ -16,7 +16,7 @@ struct FmtDelta {
 
     void field(const std::string& prefix, const Value& val, bool verytop)
     {
-        if(!val.isMarked(true,false))
+        if(verytop && !val.isMarked())
             return;
 
         strm<<prefix;
@@ -63,6 +63,7 @@ struct FmtDelta {
                 for(auto idx : range(desc->members.size())) {
                     if(udesc == &desc->members[idx]) {
                         cprefix+=desc->miter[idx].first;
+                        break;
                     }
                 }
             }
diff --git a/test/testtype.cpp b/test/testtype.cpp
index 31797cf..d2def22 100644
--- a/test/testtype.cpp
+++ b/test/testtype.cpp
@@ -416,6 +416,7 @@ void testFormat()
         "array.choice[0]->one int32_t = 1357\n"
         "array.choice[1] null\n"
         "array.choice[2] union\n"
+        "array.choice[2]->two struct\n"
         "array.choice[2]->two.ahalf int32_t = 2468\n"
         "array.more struct[] = {\?}[]\n"
     );