blob: fc8a33a4869865b516be494a799981ccef1cb1bd (
plain) (
blame)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
|
/* __ *\
** ________ ___ / / ___ Scala API **
** / __/ __// _ | / / / _ | (c) 2006-2011, LAMP/EPFL **
** __\ \/ /__/ __ |/ /__/ __ | http://www.scala-lang.org/ **
** /____/\___/_/ |_/____/_/ | | **
** |/ **
\* */
package scala.util.hashing
/** A fast multiplicative hash by Phil Bagwell.
*/
final class ByteswapHashing[T] extends Hashing[T] {
def hash(v: T) = byteswap32(v.##)
}
object ByteswapHashing {
private class Chained[T](h: Hashing[T]) extends Hashing[T] {
def hash(v: T) = byteswap32(h.hash(v))
}
/** Composes another `Hashing` with the Byteswap hash.
*/
def chain[T](h: Hashing[T]): Hashing[T] = new Chained(h)
}
|