inline fun <T> subAssertNullable(noinline assertionCreator: AssertionPlantNullable<T>.() -> Unit): AssertionPlantNullable<T>.() -> Unit (source)
Helper function to create an AssertionPlantNullable lambda with receiver; helps to circumvent Kotlin type inference bugs involving lambdas.
Following a few examples of bugs (you might want to vote if you encounter the same):
assertionCreator - Your assertion creator lambda.
Return
your passed lambda.