class_docstr: For the F# language (version 3.0).
  
  .. versionadded:: 1.5
class_docstr_tok: ["For","the","F","#","language","(","version","3.0",")",".","..","versionadded",":",":","1.5"]
docstr: F# doesn't have that many unique features -- |> and <| are weak
  indicators.
docstr_tok: ["F","#","does","n't","have","that","many","unique","features","--","|",">","and","<","|","are","weak","indicators","."]
code: def analyse_text(text):
      """F# doesn't have that many unique features -- |> and <| are weak
      indicators."""
      result = 0
      if "|>" in text:
          result += 0.05
      if "<|" in text:
          result += 0.05
  
      return result
  
imports: import re
  from pygments.lexer import RegexLexer, DelegatingLexer, bygroups, include, using, this, default, words
  from pygments.token import Punctuation, Text, Comment, Operator, Keyword, Name, String, Number, Literal, Other, Whitespace
  from pygments.util import get_choice_opt
  from pygments import unistring
  from pygments.lexers.html import XmlLexer
label_desc: Use image node_id 1 for calling the FSharpLexer obj's underlying member method code with example usage: obj.analyse_text(text) and returns: result