class_docstr: Print a v_array<T>
code: def __init__(self, value):
      self.value = value
      self.begin_array = self.value["_begin"]
      self.end_array = self.value["_end"]
      self.end_buffer = self.value["_end_array"]
      self.erase_count = self.value["_erase_count"]
      self.size = int(self.end_array - self.begin_array)
      self.capacity = int(self.end_buffer - self.begin_array)
  
file_path: vowpal_wabbit/vowpalwabbit/core/gdb_pretty_printers.py
imports: import itertools
  import gdb
label_desc: Use image node_id 1 to create a new VArrayPrinter object  with example: obj = VArrayPrinter(value)