class_docstr: Parser for Fortran format strings. The parse method returns a *Format
  instance.
  
  Notes
  -----
  Only ExpFormat (exponential format for floating values) and IntFormat
  (integer format) for now.
code: def _get_min(self, tokens):
      next = tokens.pop(0)
      if not next.type == "DOT":
          raise SyntaxError()
      next = tokens.pop(0)
      return next.value
  
imports: import re
  import numpy
label_desc: Use image node_id 3 for calling the FortranFormatParser obj's underlying member method code with example usage: obj._get_min(tokens) and returns: next