|
Scala 2.2.0.9278
|
abstract
trait
Stream
[a]
extends
java.lang.Object
with
scala.Seq[a]
with
scala.ScalaObject
The class Stream
implements lazy lists where elements
are only evaluated when they are needed. Here is an example:
object Main extends Application { def from(n: Int): Stream[Int] = Stream.cons(n, from(n + 1)) def sieve(s: Stream[Int]): Stream[Int] = Stream.cons(s.head, sieve(s.tail filter { x => x % s.head != 0 })) def primes = sieve(from(2)) primes take 10 print }
Def inherited from scala.Seq[a] | |
concat , copyToArray, drop, indexOf, isDefinedAt, isEmpty, lastIndexOf, length, mkString, stringPrefix, subseq, take, toArray, toString |
Def Detail |
def
append
[b >: a](rest: => scala.Stream[b]): scala.Stream[b]
override
def
copyToArray
[b >: a](xs: scala.Array[b], start: scala.Int): scala.Array[b]
override
def
drop
(n: scala.Int): scala.Stream[a]
def
dropWhile
(p: (a) => scala.Boolean): scala.Stream[a]
def
elements
: scala.Iterator[a]
override
def
exists
(p: (a) => scala.Boolean): scala.Boolean
def
filter
(p: (a) => scala.Boolean): scala.Stream[a]
def
flatMap
[b](f: (a) => scala.Stream[b]): scala.Stream[b]
override
def
forall
(p: (a) => scala.Boolean): scala.Boolean
override
def
foreach
(f: (a) => scala.Unit): scala.Unit
abstract
def
head
: a
def
init
: scala.Stream[a]
abstract override
def
isEmpty
: scala.Boolean
def
last
: a
def
length
: scala.Int
def
map
[b](f: (a) => b): scala.Stream[b]
def
print
: scala.Unit
abstract
def
printElems
(buf: scala.compat.StringBuilder, prefix: java.lang.String): scala.compat.StringBuilder
def
reverse
: scala.Stream[a]
abstract
def
tail
: scala.Stream[a]
override
def
take
(n: scala.Int): scala.Stream[a]
def
takeWhile
(p: (a) => scala.Boolean): scala.Stream[a]
override
def
toString
: java.lang.String
def
zip
[b](that: scala.Stream[b]): scala.Stream[scala.Tuple2[a, b]]
def
zipWithIndex
: scala.Stream[scala.Tuple2[a, scala.Int]]