larray.Axis.union

Axis.union(self, other)

Returns axis with the union of this axis labels and other labels.

Labels relative order will be kept intact, but only unique labels will be returned. Labels from this axis will be before labels from other.

Parameters:

other : Axis or any sequence of labels

other labels

Returns:

Axis

Examples

>>> a = Axis('a=a0..a2')
>>> a.union('a1')
Axis(['a0', 'a1', 'a2'], 'a')
>>> a.union('a3')
Axis(['a0', 'a1', 'a2', 'a3'], 'a')
>>> a.union(Axis('a=a1..a3'))
Axis(['a0', 'a1', 'a2', 'a3'], 'a')
>>> a.union('a1..a3')
Axis(['a0', 'a1', 'a2', 'a3'], 'a')
>>> a.union(['a1', 'a2', 'a3'])
Axis(['a0', 'a1', 'a2', 'a3'], 'a')