(self, mask1, mask2)
Merges mask1 and mask2 into this FieldMask.
Merges mask1 and mask2 into this FieldMask.
Merges mask1 and mask2 into this FieldMask .
def Union(self, mask1, mask2):
    """Merges mask1 and mask2 into this FieldMask."""
    _CheckFieldMaskMessage(mask1)
    _CheckFieldMaskMessage(mask2)
    tree = _FieldMaskTree(mask1)
    tree.MergeFromFieldMask(mask2)
    tree.ToFieldMask(self)
def Union ( self , mask1 , mask2 ) : _CheckFieldMaskMessage ( mask1 ) _CheckFieldMaskMessage ( mask2 ) tree = _FieldMaskTree ( mask1 ) tree . MergeFromFieldMask ( mask2 ) tree . ToFieldMask ( self )