cf.Domain.new_axis_identifier

Domain.new_axis_identifier()

Return a new, unique axis identifier for the domain.

See also

new_aux_identifier, new_measure_identifier, new_dim_identifier, new_ref_identifier

The domain is not updated.

Returns:

out : str

The new identifier.

Examples:

>>> d._axes_sizes.keys()
['dim2', 'dim0']
>>> d.new_axis_identifier()
'dim3'

>>> d._axes_sizes.keys()
[]
>>> d.new_axis_identifier()
'dim0'