Creates a sequence that returns all elements from this iterator. The sequence is constrained to be iterated only once.
import kotlin.test.* fun main() { //sampleStart val array = arrayOf(1, 2, 3) // create a sequence with a function, returning an iterator val sequence1 = Sequence { array.iterator() } println(sequence1.joinToString()) // 1, 2, 3 println(sequence1.drop(1).joinToString()) // 2, 3 // create a sequence from an existing iterator // can be iterated only once val sequence2 = array.iterator().asSequence() println(sequence2.joinToString()) // 1, 2, 3 // sequence2.drop(1).joinToString() // <- iterating sequence second time will fail //sampleEnd }xxxxxxxxxxval array = arrayOf(1, 2, 3)// create a sequence with a function, returning an iteratorval sequence1 = Sequence { array.iterator() }println(sequence1.joinToString()) // 1, 2, 3println(sequence1.drop(1).joinToString()) // 2, 3// create a sequence from an existing iterator// can be iterated only onceval sequence2 = array.iterator().asSequence()println(sequence2.joinToString()) // 1, 2, 3// sequence2.drop(1).joinToString() // <- iterating sequence second time will fail
Creates a sequence that returns all elements from this iterator. The sequence is constrained to be iterated only once.
import kotlin.test.* fun main() { //sampleStart val array = arrayOf(1, 2, 3) // create a sequence with a function, returning an iterator val sequence1 = Sequence { array.iterator() } println(sequence1.joinToString()) // 1, 2, 3 println(sequence1.drop(1).joinToString()) // 2, 3 // create a sequence from an existing iterator // can be iterated only once val sequence2 = array.iterator().asSequence() println(sequence2.joinToString()) // 1, 2, 3 // sequence2.drop(1).joinToString() // <- iterating sequence second time will fail //sampleEnd }xxxxxxxxxxval array = arrayOf(1, 2, 3)// create a sequence with a function, returning an iteratorval sequence1 = Sequence { array.iterator() }println(sequence1.joinToString()) // 1, 2, 3println(sequence1.drop(1).joinToString()) // 2, 3// create a sequence from an existing iterator// can be iterated only onceval sequence2 = array.iterator().asSequence()println(sequence2.joinToString()) // 1, 2, 3// sequence2.drop(1).joinToString() // <- iterating sequence second time will fail
Returns this sequence as a Sequence.
Creates a sequence that returns all values from this enumeration. The sequence is constrained to be iterated only once.
import kotlin.test.* fun main() { //sampleStart val numbers = java.util.Hashtable<String, Int>() numbers.put("one", 1) numbers.put("two", 2) numbers.put("three", 3) // when you have an Enumeration from some old code val enumeration: java.util.Enumeration<String> = numbers.keys() // you can wrap it in a sequence and transform further with sequence operations val sequence = enumeration.asSequence().sorted() println(sequence.toList()) // [one, three, two] // the resulting sequence is one-shot // sequence.toList() // will fail //sampleEnd }xxxxxxxxxxval numbers = java.util.Hashtable<String, Int>()numbers.put("one", 1)numbers.put("two", 2)numbers.put("three", 3)// when you have an Enumeration from some old codeval enumeration: java.util.Enumeration<String> = numbers.keys()// you can wrap it in a sequence and transform further with sequence operationsval sequence = enumeration.asSequence().sorted()println(sequence.toList()) // [one, three, two]// the resulting sequence is one-shot// sequence.toList() // will fail
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