Build a quicker and easier way to construct Data::Vec and Data::Map
This should also implement Data::vec_with_capacity and Data::map_with_capacity
Build a quicker and easier way to construct `Data::Vec` and `Data::Map`
This should also implement `Data::vec_with_capacity` and `Data::map_with_capacity`
Build a quicker and easier way to construct
Data::VecandData::MapThis should also implement
Data::vec_with_capacityandData::map_with_capacity