diff --git a/src/db/UniqueTags.hxx b/src/db/UniqueTags.hxx index d2a7eb734..8f26d4bb4 100644 --- a/src/db/UniqueTags.hxx +++ b/src/db/UniqueTags.hxx @@ -29,6 +29,9 @@ struct DatabaseSelection; template<typename Key> class RecursiveMap; template<typename T> struct ConstBuffer; +/** + * Walk the database and collect unique tag values. + */ RecursiveMap<std::string> CollectUniqueTags(const Database &db, const DatabaseSelection &selection, ConstBuffer<TagType> tag_types);