A modern programming language that makes developers happier.

kotlinlang

can anyone think of a more idiomatic way to do this?
```if (error != null) throw error```

not much different, but you can do `error?.let { throw it }`

It is already idiomatic. Anything else you do will be either trying to be clever or code golfing character count. Or both.

Good point. I think it's just the mechanics of `throw` that make this feel more awkward than other, similar code. Parameters that are exceptions are often nullable. I almost wish that `throw null` did nothing or `error?.throw` worked.
I'm fine writing the lengthier version, I just had a suspicion that there might be some other stdlib approach out there that I didn't know about.

You can always define your own extension function. But again, this is already ideomatic.

If `throw null` worked, then everywhere a `throw e` occured, I would have to double-check that `e` is non-null, or else it isn't a guaranteed throw and the remaining code in that block might still happen.

`throw null` works in Java and in Java bytecode as an easy way to throw an NPE