code: def feature_list():
      
      lib_features_c_array = ctypes.POINTER(Feature)()
      lib_features_size = ctypes.c_size_t()
      check_call(_LIB.MXLibInfoFeatures(ctypes.byref(lib_features_c_array), ctypes.byref(lib_features_size)))
      features = [lib_features_c_array[i] for i in range(lib_features_size.value)]
      return features
docs: Check the library for compile-time features. The list of features are maintained in libinfo.h and libinfo.cc
  
      Returns
      -------
      list
          List of :class:`.Feature` objects