One more thing which I use more often than 1: ```v...

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[gildor]

One more thing which I use more often than 1:

val entity = hibernateRepository.getEntityById("some-id") ?: error("some-id is null")

[Czar]

this is a different case. in my example entity is always not null, I'll edit it to make that obvious

[gildor]

Anyway, I mean that to check for null I usually use elvis + error

[Czar]

I see, that's too cumbersome for general use I think. E.g. here's an example from a code base I work on currently

class SomeEvent(
    val aEntityId: Long,
    val bEntityId: Long,
    val cEntityId: Long)

// all three are retrieved, something is done to them and event is being published:

publishEvent(
    SomeEvent(
        a.id ?: error(""),
        b.id ?: error(""),
        c.id ?: error("")
    )
)

text in error should be meaningful, so this is not something easy to read or write.

[gildor]

I agree, it’s not something completely universal