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author | Paul Phillips <paulp@improving.org> | 2011-08-24 17:11:55 +0000 |
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committer | Paul Phillips <paulp@improving.org> | 2011-08-24 17:11:55 +0000 |
commit | b9785280a7138a2bb52060faf94807aa0d07dec1 (patch) | |
tree | 870cc1930ac3d50cd07078260f58984224dd39a5 /test/files/pos/t573.scala | |
parent | 84fcf633d9ca507124806d64729cb8463bcebb69 (diff) | |
download | scala-b9785280a7138a2bb52060faf94807aa0d07dec1.tar.gz scala-b9785280a7138a2bb52060faf94807aa0d07dec1.tar.bz2 scala-b9785280a7138a2bb52060faf94807aa0d07dec1.zip |
Renamed tests named bugXXX to tXXX, no review.
Diffstat (limited to 'test/files/pos/t573.scala')
-rw-r--r-- | test/files/pos/t573.scala | 43 |
1 files changed, 43 insertions, 0 deletions
diff --git a/test/files/pos/t573.scala b/test/files/pos/t573.scala new file mode 100644 index 0000000000..694d001e3c --- /dev/null +++ b/test/files/pos/t573.scala @@ -0,0 +1,43 @@ +package lampion.collections; + +object DirX { + abstract class Dir { + def reverse : Dir; + } + object BEFORE extends Dir { + def reverse = AFTER; + } + object AFTER extends Dir { + def reverse = BEFORE; + } +} + +import DirX._; + +abstract class Linked { + type Node <: Node0; + + abstract class Node0 { + self: Node => + + var next : Node = _; + var prev : Node = _; + + def get(dir : Dir) = if (dir == BEFORE) prev; else next; + private def set(dir : Dir, node : Node) = + if (dir == BEFORE) prev = node; else next = node; + + def link(dir : Dir, node : Node) = { + assert(get(dir) == null); + assert(node.get(dir.reverse) == null); + set(dir, node); + node.set(dir.reverse, self); + } + + + def end(dir : Dir) : Node = { + if (get(dir) == null) this; + else get(dir).end(dir); + } + } +} |