1 files changed, 52 insertions, 0 deletions
diff --git a/src/components/include/utils/typed_enum_print.h b/src/components/include/utils/typed_enum_print.h
new file mode 100644
index 0000000000..e2b903c948
--- /dev/null
+++ b/src/components/include/utils/typed_enum_print.h
@@ -0,0 +1,52 @@
+/*
+ * Copyright (c) 2018, Ford Motor Company
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions are met:
+ *
+ * Redistributions of source code must retain the above copyright notice, this
+ * list of conditions and the following disclaimer.
+ *
+ * Redistributions in binary form must reproduce the above copyright notice,
+ * this list of conditions and the following
+ * disclaimer in the documentation and/or other materials provided with the
+ * distribution.
+ *
+ * Neither the name of the Ford Motor Company nor the names of its contributors
+ * may be used to endorse or promote products derived from this software
+ * without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
+ * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+ * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE
+ * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
+ * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
+ * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
+ * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
+ * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
+ * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
+ * POSSIBILITY OF SUCH DAMAGE.
+ */
+
+#ifndef SRC_COMPONENTS_INCLUDE_UTILS_TYPED_ENUM_PRINT_H_
+#define SRC_COMPONENTS_INCLUDE_UTILS_TYPED_ENUM_PRINT_H_
+
+#include <type_traits>
+#include <ostream>
+
+namespace utils {
+
+// Generic overloaded operator "<<" to be able to send enum class values to
+// std::ostream
+template <typename T>
+std::ostream& operator<<(
+    typename std::enable_if<std::is_enum<T>::value, std::ostream>::type& stream,
+    const T& e) {
+  return stream << static_cast<int>(e);
+}
+
+}  // namespace utils
+
+#endif  // SRC_COMPONENTS_INCLUDE_UTILS_TYPED_ENUM_PRINT_H_