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| author | Josh Suereth <joshua.suereth@gmail.com> | 2012-03-16 20:59:38 -0400 |
|---|---|---|
| committer | Josh Suereth <joshua.suereth@gmail.com> | 2012-03-16 20:59:38 -0400 |
| commit | b3efb3d493605d1c7e106e5f0a697b52ebb3d97c (patch) | |
| tree | 1a141a2b741684b91d56c1288ab043623f2ce956 /src/library/scala/package.scala | |
| parent | d267988ddbf03c71fa1ef2fa51f2d218793632ed (diff) | |
| download | scala-b3efb3d493605d1c7e106e5f0a697b52ebb3d97c.tar.gz scala-b3efb3d493605d1c7e106e5f0a697b52ebb3d97c.tar.bz2 scala-b3efb3d493605d1c7e106e5f0a697b52ebb3d97c.zip | |
Added +: and :+ extractors to mirror append/prepend.
* +: does head/tail decomposition on any Seq
* :+ does init/last decomposition on any Seq
* Both preserve specific Seq types.
Review by @odersky
Diffstat (limited to 'src/library/scala/package.scala')
| -rw-r--r-- | src/library/scala/package.scala | 3 |
1 files changed, 3 insertions, 0 deletions
diff --git a/src/library/scala/package.scala b/src/library/scala/package.scala index 366af34ee9..1ef1911fd3 100644 --- a/src/library/scala/package.scala +++ b/src/library/scala/package.scala @@ -64,6 +64,9 @@ package object scala { type ::[A] = scala.collection.immutable.::[A] val :: = scala.collection.immutable.:: + val +: = scala.collection.+: + val :+ = scala.collection.:+ + type Stream[+A] = scala.collection.immutable.Stream[A] val Stream = scala.collection.immutable.Stream val #:: = scala.collection.immutable.Stream.#:: |