hg: lambda/lambda/jdk: Refactor Collector to be tuple-of-functions; add mapping() Collector combinators

[brian.goetz at oracle.com]

Changeset: 221c5b4f706c
Author:    briangoetz
Date:      2013-02-07 15:03 -0500
URL:       http://hg.openjdk.java.net/lambda/lambda/jdk/rev/221c5b4f706c

Refactor Collector to be tuple-of-functions; add mapping() Collector combinators

! src/share/classes/java/util/stream/Collector.java
! src/share/classes/java/util/stream/Collectors.java
! src/share/classes/java/util/stream/ConcurrentCollectors.java
! src/share/classes/java/util/stream/DoublePipeline.java
! src/share/classes/java/util/stream/FoldOp.java
! src/share/classes/java/util/stream/IntPipeline.java
! src/share/classes/java/util/stream/LongPipeline.java
! src/share/classes/java/util/stream/ReferencePipeline.java
! test-ng/tests/org/openjdk/tests/java/util/stream/GroupByOpTest.java
! test-ng/tests/org/openjdk/tests/java/util/stream/TabulatorsTest.java