Function get_field_table 

pub unsafe fn get_field_table<'a>(
    table: &Table<'a>,
    field: &Field<'_>,
) -> FlatbufferResult<Option<Table<'a>>>

Gets a Table table field given its exact type. Returns None if the field is not set. Returns error if the type doesn’t match.

Safety

The value of the corresponding slot must have type Table