Macro db_helpers::table

macro_rules! table {
    (
		$(#[$($meta:meta),*])?
		$pub:vis $name:ident $([table_name=$tbl_name:expr])?
		{
			$(
				$(#[$($inner_meta:meta),*])?
				$field_pub:vis $rust_key:ident $rust_type:ty : $db_name:tt $db_type:expr
			 ),+
		}
	) => { ... };
}