class_docstr: Print a v_array<T>
code: def children(self):
      object_info = [
          ("size", self.size),
          ("capacity", self.capacity),
          ("erase count", self.erase_count),
      ]
      children_item_iterator = self._iterator(
          self.begin_array, self.end_array
      )
      return itertools.chain(iter(object_info), children_item_iterator)
  
file_path: vowpal_wabbit/vowpalwabbit/core/gdb_pretty_printers.py
imports: import itertools
  import gdb
label_desc: Use image node_id 2 for calling the VArrayPrinter obj's underlying member method code with example usage: obj.children() and returns: itertools