Q: Looking for what I expected Collection.single...

# announcements

[DALDEI]

Q: Looking for what I expected Collection.singleOrNull() would do but doesn't,
i.e. return single if 1 element, null if empty and throw if > 1
i.e. equivient to when( size ) { 0 -> null ; 1 -> first() ; 2 -> throw }
Is there such a beast ? Its easy to write but maybe Im looking for the wrong words

[ilya.gorbunov]

Something like that is discussed in https://youtrack.jetbrains.com/issue/KT-28789