fun <E, T : Iterable<E>> Assert<T>.exactly(times: Int, f: (Assert<E>) -> Unit): Unit
Platform and version requirements: Common
Asserts on each item in the iterable, passing if exactly times items pass.
The given lambda will be run for each item.
assert(listOf(-1, 1, 2) as Iterable<Int>).exactly(2) { it -> it.isPositive() }