code: def _pfp__set_value(self, value):
          
          if self._pfp__frozen:
              raise errors.UnmodifiableConst()
          if len(value) != len(self._pfp__children):
              raise errors.PfpError("struct initialization has wrong number of members")
  
          for x in six.moves.range(len(self._pfp__children)):
              self._pfp__children[x]._pfp__set_value(value[x])
docs: Initialize the struct. Value should be an array of
          fields, one each for each struct member.
  
          :value: An array of fields to initialize the struct with
          :returns: None