Sleepzy@feddit.it to Programmer Humor@lemmy.ml · 5 days agoElvisfeddit.itimagemessage-square35fedilinkarrow-up1159arrow-down110
arrow-up1149arrow-down1imageElvisfeddit.itSleepzy@feddit.it to Programmer Humor@lemmy.ml · 5 days agomessage-square35fedilink
minus-squareAVincentInSpace@pawb.sociallinkfedilinkEnglisharrow-up2·2 days agoThe second one isn’t valid syntax in any programming language I’m familiar with. What does it do?
minus-squaredev_null@lemmy.mllinkfedilinkarrow-up2·2 days agoIt’s a shorthand for writing this: variable = if (input != null) input else default This is equivalent: variable = input ?: default
minus-squareAVincentInSpace@pawb.sociallinkfedilinkEnglisharrow-up2·edit-22 days agoHuh. Neat feature.
minus-squaredev_null@lemmy.mllinkfedilinkarrow-up2·edit-22 days agoIt’s in Kotlin and some other languages. C# has it but there it’s actually A ?? B.
The second one isn’t valid syntax in any programming language I’m familiar with. What does it do?
It’s a shorthand for writing this:
variable = if (input != null) input else defaultThis is equivalent:
variable = input ?: defaultHuh. Neat feature.
It’s in Kotlin and some other languages. C# has it but there it’s actually
A ?? B.