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submitted 2 months ago by [email protected] to c/[email protected]

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[–] [email protected] 2 points 2 months ago (1 children)

The second one isn't valid syntax in any programming language I'm familiar with. What does it do?

[–] [email protected] 4 points 2 months ago (1 children)

It's a shorthand for writing this:

variable = if (input != null) input else default

This is equivalent:

variable = input ?: default

[–] [email protected] 2 points 2 months ago* (last edited 2 months ago) (1 children)

Huh. Neat feature. That's in C# I assume?

[–] [email protected] 2 points 2 months ago* (last edited 2 months ago)

It's in Kotlin and some other languages. C# has it but there it's actually A ?? B.