code: def cxx(self):
      if self._cxx:
          return self._cxx
  
      if self.with_fuzzing:
          return "clang++-{}".format(LLVM_VERSION)
  
      return None
  
file_path: arrow/dev/archery/archery/lang/cpp.py
imports: import os
  from ..utils.cmake import CMakeDefinition
label_desc: Use image node_id 4 for calling the CppConfiguration obj's underlying member method code with example usage: obj.cxx() and returns: None, self, str