is `?:` always lazy? for example, is `maybeReturnsNull() ?: expensiveFunctionCall()` guaranteed not ...

# getting-started

[y]

is ?: always lazy? for example, is maybeReturnsNull() ?: expensiveFunctionCall() guaranteed not to evaluate the expensive function call?

[ephemient]

https://kotlinlang.org/spec/expressions.html#elvis-operator-expressions

[ephemient]

https://kotlinlang.org/docs/null-safety.html#elvis-operator may be an easier read

[y]

Thanks