docstr: Return an estimate of the width so far in the current line.
  
  .. versionadded:: 1.6.0
  
  :rtype: int
docstr_tok: ["Return","an","estimate","of","the","width","so","far","in","the","current","line",".","..","versionadded",":",":","1.6.0",":","rtype",":","int"]
code: def width_of_current_line(self):
      """Return an estimate of the width so far in the current line.
  
      .. versionadded:: 1.6.0
  
      :rtype: int
      """
      return self._width_of_current_line
  
imports: import sys, os, unicodedata
  import py
  from py.builtin import text, bytes
label_desc: Use image node_id 5 for calling the TerminalWriter obj's underlying member method code with example usage: obj.width_of_current_line() and returns: self