On 1 Nov 2016, at 11:39, jtuchel@objektfabrik.de wrote:

Am 01.11.16 um 11:36 schrieb Denis Kudriashov:

2016-11-01 11:31 GMT+01:00 jtuchel@objektfabrik.de <jtuchel@objektfabrik.de>:
ifEmpty:
ifNotEmpty:
ifEmpty:ifNotEmpty:

It is already in image and feels exactly like ifNil:/ifNotNil. For other cases I think it is too much.
are they also implemented in UndefinedObject?

no, because empty != nil

Esteban