Pavel V. Talanov
22 lines
481 B
Kotlin
22 lines
481 B
Kotlin
package foo
|
|
|
|
import java.util.*
|
|
import java.lang.*
|
|
import jet.Iterator
|
|
|
|
public inline fun <T, C: Collection<in T>> Iterator<T>.takeWhileTo(result: C, predicate: (T) -> Boolean) : C {
|
|
for (element in this) if (predicate(element)) result.add(element) else break
|
|
return result
|
|
}
|
|
|
|
fun box(): Any? {
|
|
val c = ArrayList<Int>()
|
|
for (i in 0..5) {
|
|
c.add(i)
|
|
}
|
|
|
|
val d = ArrayList<Int>()
|
|
|
|
c.iterator().takeWhileTo(d, {i -> i < 4 })
|
|
return d.size() == 4
|
|
} |