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-rw-r--r--src/lib/util/corestr.h7
1 files changed, 7 insertions, 0 deletions
diff --git a/src/lib/util/corestr.h b/src/lib/util/corestr.h
index d7734d50b29..c0bf4ef16d5 100644
--- a/src/lib/util/corestr.h
+++ b/src/lib/util/corestr.h
@@ -64,4 +64,11 @@ std::string &strmakeupper(std::string& str);
std::string &strmakelower(std::string& str);
int strreplace(std::string &str, const std::string& search, const std::string& replace);
+namespace util {
+
+// based on Jaro-Winkler distance - returns value from 0.0 (totally dissimilar) to 1.0 (identical)
+double edit_distance(std::u32string const &lhs, std::u32string const &rhs);
+
+} // namespace util
+
#endif // MAME_UTIL_CORESTR_H