Sleepzy@feddit.it to Programmer Humor@lemmy.ml · 2 years agoElvisfeddit.itimagemessage-square16linkfedilinkarrow-up18arrow-down11
arrow-up17arrow-down1imageElvisfeddit.itSleepzy@feddit.it to Programmer Humor@lemmy.ml · 2 years agomessage-square16linkfedilink
minus-squareAVincentInSpace@pawb.socialBanned from communitylinkfedilinkEnglisharrow-up0·2 years agowhy would you call it anything other than the ternary operator
minus-squaredev_null@lemmy.mllinkfedilinkarrow-up1·2 years 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.socialBanned from communitylinkfedilinkEnglisharrow-up0·2 years 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 years 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