usecrate::types::core::CollectionKey;pubfnrange_collection_end(collection:&CollectionKey)-> CollectionKey{// Source: https://github.com/frederikrothenberger
// 0u8 shall be use until char::MIN get standardized
letmut end_collection:String= collection.clone();
end_collection.push(char::from(0u8));
end_collection
}