class_docstr: :class:`~fastNLP.core.dataset.DatSet` 中用于表示列的数据类型。
  
  :param name: 字符串的名称
  :param content: 任意类型的数据
class_docstr_tok: [":","class",":","`","~fastNLP.core.dataset.DatSet","`","\u4e2d\u7528\u4e8e\u8868\u793a\u5217\u7684\u6570\u636e\u7c7b\u578b\u3002",":","param","name",":","\u5b57\u7b26\u4e32\u7684\u540d\u79f0",":","param","content",":","\u4efb\u610f\u7c7b\u578b\u7684\u6570\u636e"]
docstr: 删除该 field 中 ``index`` 处的元素
  
  :param index: 从 ``0`` 开始的数据下标。
docstr_tok: ["\u5220\u9664\u8be5","field","\u4e2d","``","index","``","\u5904\u7684\u5143\u7d20",":","param","index",":","\u4ece","``","0","``","\u5f00\u59cb\u7684\u6570\u636e\u4e0b\u6807\u3002"]
code: def pop(self, index: int) -> None:
      r"""
      删除该 field 中 ``index`` 处的元素
  
      :param index: 从 ``0`` 开始的数据下标。
      """
      self.content.pop(index)
  
imports: from collections import Counter
  from typing import Any, Union, List, Callable
  from ..log import logger
  import numpy
label_desc: Use image node_id 3 for calling the FieldArray obj's underlying member method code with example usage: obj.pop(index) without return types