First Commit

3rdparty/rapidyaml/include/c4/substr_fwd.hpp

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+#ifndef _C4_SUBSTR_FWD_HPP_
+#define _C4_SUBSTR_FWD_HPP_
+
+#include "c4/export.hpp"
+
+namespace c4 {
+
+#ifndef DOXYGEN
+template<class C> struct basic_substring;
+using csubstr = C4CORE_EXPORT basic_substring<const char>;
+using substr = C4CORE_EXPORT basic_substring<char>;
+#endif // !DOXYGEN
+
+} // namespace c4
+
+#endif /* _C4_SUBSTR_FWD_HPP_ */