docstr: Return the number of characters written so far in the current line.
  
  Please note that this count does not produce correct results after a reline() call,
  see #164.
  
  .. versionadded:: 1.5.0
  
  :rtype: int
docstr_tok: ["Return","the","number","of","characters","written","so","far","in","the","current","line",".","Please","note","that","this","count","does","not","produce","correct","results","after","a","reline","(",")","call",",","see","#","164",".","..","versionadded",":",":","1.5.0",":","rtype",":","int"]
code: def chars_on_current_line(self):
      """Return the number of characters written so far in the current line.
  
      Please note that this count does not produce correct results after a reline() call,
      see #164.
  
      .. versionadded:: 1.5.0
  
      :rtype: int
      """
      return self._chars_on_current_line
  
imports: import sys, os, unicodedata
  import py
  from py.builtin import text, bytes
label_desc: Use image node_id 4 for calling the TerminalWriter obj's underlying member method code with example usage: obj.chars_on_current_line() and returns: self