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-rw-r--r--src/common/Utilities/StringFormat.h4
1 files changed, 4 insertions, 0 deletions
diff --git a/src/common/Utilities/StringFormat.h b/src/common/Utilities/StringFormat.h
index 3ec91494ef2..6f5e9a643bd 100644
--- a/src/common/Utilities/StringFormat.h
+++ b/src/common/Utilities/StringFormat.h
@@ -122,4 +122,8 @@ struct fmt::formatter<Optional<T>, Char> : formatter<T, Char>
}
};
+// allow implicit enum to int conversions for formatting
+template <typename E, std::enable_if_t<std::is_enum_v<E>, std::nullptr_t> = nullptr>
+auto format_as(E e) { return std::underlying_type_t<E>(e); }
+
#endif