documentation
Toggle table of contents
3.0.5
common
Target filter
common
Switch theme
Search in API
Skip to content
documentation
utils
/
it.unibo.tuprolog.utils
/
Optional
/
isAbsent
is
Absent
val
isAbsent
:
Boolean
Whether this
Optional
holds no value, i.e. whether it is
None
. Always
!isPresent
.