Add ostream operator for GenSpec.

2 files changed, 9 insertions, 0 deletions

diff --git a/eval/src/vespa/eval/eval/test/gen_spec.cpp b/eval/src/vespa/eval/eval/test/gen_spec.cpp
index 0b624a457d7..fd2c1f39382 100644
--- a/eval/src/vespa/eval/eval/test/gen_spec.cpp
+++ b/eval/src/vespa/eval/eval/test/gen_spec.cpp
@@ -4,6 +4,7 @@
 #include <vespa/eval/eval/string_stuff.h>
 #include <vespa/vespalib/util/require.h>
 #include <vespa/vespalib/util/stringfmt.h>
+#include <ostream>
 
 using vespalib::make_string_short::fmt;
 
@@ -162,4 +163,10 @@ GenSpec::gen() const
     return result.normalize();
 }
 
+std::ostream &operator<<(std::ostream &out, const GenSpec &spec)
+{
+    out << spec.gen();
+    return out;
+}
+
 } // namespace
diff --git a/eval/src/vespa/eval/eval/test/gen_spec.h b/eval/src/vespa/eval/eval/test/gen_spec.h
index f0eca6074dc..3f7550ba644 100644
--- a/eval/src/vespa/eval/eval/test/gen_spec.h
+++ b/eval/src/vespa/eval/eval/test/gen_spec.h
@@ -153,4 +153,6 @@ public:
     operator TensorSpec() const { return gen(); }
 };
 
+std::ostream &operator<<(std::ostream &out, const GenSpec &spec);
+
 } // namespace