1 files changed, 23 insertions, 0 deletions
diff --git a/libbutl/uuid-io.hxx b/libbutl/uuid-io.hxx
new file mode 100644
index 0000000..57de9f3
--- /dev/null
+++ b/libbutl/uuid-io.hxx
@@ -0,0 +1,23 @@
+// file      : libbutl/uuid-io.hxx -*- C++ -*-
+// copyright : Copyright (c) 2014-2018 Code Synthesis Ltd
+// license   : MIT; see accompanying LICENSE file
+
+#pragma once
+
+#include <iosfwd>
+
+#include <libbutl/uuid.hxx>
+#include <libbutl/export.hxx>
+
+namespace butl
+{
+  // Insert lower case string representation.
+  //
+  LIBBUTL_SYMEXPORT std::ostream&
+  operator<< (std::ostream&, const uuid&);
+
+  // Extract string representation (lower or upper case).
+  //
+  LIBBUTL_SYMEXPORT std::istream&
+  operator>> (std::istream&, uuid&);
+}