Add support for reading, merging, and querying configs
Change-Id: I04a07cf5e9a6b41213b3101f3e04be350e50b41f
diff --git a/aos/util/file.h b/aos/util/file.h
index 0c1f11f..385aba7 100644
--- a/aos/util/file.h
+++ b/aos/util/file.h
@@ -3,12 +3,14 @@
#include <string>
+#include "absl/strings/string_view.h"
+
namespace aos {
namespace util {
// Returns the complete contents of filename. LOG(FATAL)s if any errors are
// encountered.
-::std::string ReadFileToStringOrDie(const ::std::string &filename);
+::std::string ReadFileToStringOrDie(const absl::string_view filename);
} // namespace util
} // namespace aos