class_docstr: Generate code for a fused-type special function that can be
  cimported in Cython.
code: def _get_types(self, codes):
      all_types = []
      fused_types = set()
      for code in codes:
          if len(code) == 1:
              # It's not a fused type
              all_types.append((CY_TYPES[code], code))
          else:
              # It's a fused type
              fused_type, dec = generate_fused_type(code)
              fused_types.add(dec)
              all_types.append((fused_type, code))
      return all_types, fused_types
  
imports: import itertools
  import json
  import os
  from stat import ST_MTIME
  import argparse
  import re
  import textwrap
  import numpy
label_desc: Use image node_id 3 for calling the FusedFunc obj's underlying member method code with example usage: obj._get_types(codes) and returns: all_types,  fused_types