1 files changed, 23 insertions, 0 deletions
diff --git a/include/unicode/utf_fwd.h b/include/unicode/utf_fwd.h
new file mode 100644
index 0000000..f3f6c52
--- /dev/null
+++ b/include/unicode/utf_fwd.h
@@ -0,0 +1,23 @@
+#pragma once
+
+// Forward declarations
+
+#include <string>
+
+namespace unicode::detail {
+
+ template<typename T, typename Container=std::basic_string<T>>
+ struct utf_iterator;
+
+ template<typename T, typename Container=std::basic_string<T>>
+ struct utf_back_insert_iterator;
+
+} // namespace unicode::detail
+
+namespace unicode {
+
+ template<typename InputIt, typename OutputIt>
+ struct UTF;
+
+} // namespace unicode
+