if I have the following: ```inline fun defaultCheck(result: VkResult) = result.check() fun bar(chec...

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[elect]

if I have the following:

inline fun defaultCheck(result: VkResult) = result.check()

fun bar(check: (VkResult) -> Unit = ::defaultCheck) {
   check(..)
}

would there be any allocation regarding passing the lambda to bar?

[Dominaezzz]

Iirc, yes.

[elect]

Where?

[Dominaezzz]

Depends on the platform, jdk7 would require the usual Java style anonymous class which can be cached if there are no captures. Jdk8 is a bit more complicated I think, with invoke dynamic. TL;DR lambdas that capture are not free.