Sleepzy@feddit.it to Programmer Humor@lemmy.ml · 6 days agoElvisfeddit.itimagemessage-square13fedilinkarrow-up14arrow-down10
arrow-up14arrow-down1imageElvisfeddit.itSleepzy@feddit.it to Programmer Humor@lemmy.ml · 6 days agomessage-square13fedilink
minus-squareAVincentInSpace@pawb.sociallinkfedilinkEnglisharrow-up0·5 days agowhy would you call it anything other than the ternary operator
minus-squaredev_null@lemmy.mllinkfedilinkarrow-up1·edit-23 days agoBecause it’s not one. Ternary operator is A ? B : C, Elvis operator is A ?: B. The same two characters are involved, but both the syntax and effect is different.
minus-squareAVincentInSpace@pawb.sociallinkfedilinkEnglisharrow-up0·3 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-up2·3 days agoIt’s a shorthand for writing this: variable = if (input != null) input else default This is equivalent: variable = input ?: default
why would you call it anything other than the ternary operator
Because it’s not one. Ternary operator is A ? B : C, Elvis operator is A ?: B. The same two characters are involved, but both the syntax and effect is different.
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 ?: default