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author | Adriaan Moors <adriaan.moors@epfl.ch> | 2010-05-04 16:21:13 +0000 |
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committer | Adriaan Moors <adriaan.moors@epfl.ch> | 2010-05-04 16:21:13 +0000 |
commit | a01b81352f9f6bec4277044b3265dab79f545441 (patch) | |
tree | bd39f35299e3daaf79c3a3ac8eb1ef5b9477c670 /test/files/pos | |
parent | 7868f336ec5d9e3b64f83925ec345bd794953284 (diff) | |
download | scala-a01b81352f9f6bec4277044b3265dab79f545441.tar.gz scala-a01b81352f9f6bec4277044b3265dab79f545441.tar.bz2 scala-a01b81352f9f6bec4277044b3265dab79f545441.zip |
revert commit that probably broke the build due...
revert commit that probably broke the build due to a bug in closure
elimination revert commit that reverted the commit that probably didn't
break the build
Diffstat (limited to 'test/files/pos')
-rw-r--r-- | test/files/pos/t3177.scala | 39 | ||||
-rw-r--r-- | test/files/pos/t3373.scala | 11 |
2 files changed, 50 insertions, 0 deletions
diff --git a/test/files/pos/t3177.scala b/test/files/pos/t3177.scala new file mode 100644 index 0000000000..9f9528faec --- /dev/null +++ b/test/files/pos/t3177.scala @@ -0,0 +1,39 @@ +trait InvariantFunctor[F[_]] { + def xmap[A, B](ma: F[A], f: A => B, g: B => A): F[B] +} + +object InvariantFunctor { + import Endo._ + + implicit val EndoInvariantFunctor = new InvariantFunctor[Endo] { + def xmap[A, B](ma: Endo[A], f: A => B, g: B => A): Endo[B] = (b: B) => f(ma(g(b))) + } + + // The definition about fails with: + // anon-type.scala:9: error: not found: value b + // def xmap[A, B](ma: Endo[A], f: A => B, g: B => A): Endo[B] = (b: B) => f(ma(g(b))) + // ^ + // anon-type.scala:8: error: not found: type $anon + // implicit val EndoInvariantFunctor = new InvariantFunctor[Endo] { + // ^ + + + // These both work: + // implicit val EndoInvariantFunctorAscribed: InvariantFunctor[Endo] = new InvariantFunctor[Endo] { + // def xmap[A, B](ma: Endo[A], f: A => B, g: B => A): Endo[B] = (b: B) => f(ma(g(b))) + // } + // + // implicit val EndoInvariantFunctorStubbed = new InvariantFunctor[Endo] { + // def xmap[A, B](ma: Endo[A], f: A => B, g: B => A): Endo[B] = error("stub") + // } +} + +trait Endo[X] + +object Endo { + implicit def EndoTo[A](f: A => A): Endo[A] = new Endo[A] { + def apply(a: A) = f(a) + } + + implicit def EndoFrom[A](e: Endo[A]): A => A = e.apply(_) +}
\ No newline at end of file diff --git a/test/files/pos/t3373.scala b/test/files/pos/t3373.scala new file mode 100644 index 0000000000..b4af3610bb --- /dev/null +++ b/test/files/pos/t3373.scala @@ -0,0 +1,11 @@ +class Entry(time: Long) { + def getTime: Long = time +} + +object Test { + def extractTime(e: Entry) = e.getTime + + implicit val orderEntries = new Ordering[Entry] { + def compare(first: Entry, second: Entry) = extractTime(first) compare extractTime(second) + } +}
\ No newline at end of file |