class_docstr: Reverses the text of each token.
  
  >>> ana = RegexTokenizer() | ReverseTextFilter()
  >>> [token.text for token in ana("hello there")]
  ["olleh", "ereht"]
class_docstr_tok: ["Reverses","the","text","of","each","token",".",">",">",">","ana","=","RegexTokenizer","(",")","|","ReverseTextFilter","(",")",">",">",">","[","token.text","for","token","in","ana","(","``","hello","there","''",")","]","[","``","olleh","''",",","``","ereht","''","]"]
code: def __call__(self, tokens):
      for t in tokens:
          t.text = t.text[::-1]
          yield t
  
imports: from itertools import chain
  from whoosh.compat import next
  from whoosh.analysis.acore import Composable
  from whoosh.util.text import rcompile
label_desc: Use image node_id 1 for calling the ReverseTextFilter obj's underlying member method code with example usage: obj.__call__(tokens) without return types