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author | Adriaan Moors <adriaan@lightbend.com> | 2017-04-10 10:12:01 -0700 |
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committer | GitHub <noreply@github.com> | 2017-04-10 10:12:01 -0700 |
commit | 715c88e9b74d1b4d1d0c4da9d0cc8f1b740e2dd3 (patch) | |
tree | b851e7bfd0dd821b39eae1ac25ca053362bee72d /test/files/pos/userdefined_apply.scala | |
parent | 2ba0530218daa170df5f1d25f7b39ab8cb8d0cf7 (diff) | |
parent | ade53a123c1edce12db442ee74b636d130e7e0f2 (diff) | |
download | scala-715c88e9b74d1b4d1d0c4da9d0cc8f1b740e2dd3.tar.gz scala-715c88e9b74d1b4d1d0c4da9d0cc8f1b740e2dd3.tar.bz2 scala-715c88e9b74d1b4d1d0c4da9d0cc8f1b740e2dd3.zip |
Merge pull request #5816 from adriaanm/userdefined-apply-212
Allow user-defined `[un]apply` in case companion
Diffstat (limited to 'test/files/pos/userdefined_apply.scala')
-rw-r--r-- | test/files/pos/userdefined_apply.scala | 54 |
1 files changed, 54 insertions, 0 deletions
diff --git a/test/files/pos/userdefined_apply.scala b/test/files/pos/userdefined_apply.scala new file mode 100644 index 0000000000..e29f9f5141 --- /dev/null +++ b/test/files/pos/userdefined_apply.scala @@ -0,0 +1,54 @@ +// NOTE: the companion inherits a public apply method from Function1! +case class NeedsCompanion private (x: Int) + +object ClashNoSig { // ok + private def apply(x: Int) = if (x > 0) new ClashNoSig(x) else ??? +} +case class ClashNoSig private (x: Int) + + +object Clash { + private def apply(x: Int) = if (x > 0) new Clash(x) else ??? +} +case class Clash private (x: Int) + +object ClashSig { + private def apply(x: Int): ClashSig = if (x > 0) new ClashSig(x) else ??? +} +case class ClashSig private (x: Int) + +object ClashOverload { + private def apply(x: Int): ClashOverload = if (x > 0) new ClashOverload(x) else apply("") + def apply(x: String): ClashOverload = ??? +} +case class ClashOverload private (x: Int) + +object NoClashSig { + private def apply(x: Boolean): NoClashSig = if (x) NoClashSig(1) else ??? +} +case class NoClashSig private (x: Int) + +object NoClashOverload { + // needs full sig + private def apply(x: Boolean): NoClashOverload = if (x) NoClashOverload(1) else apply("") + def apply(x: String): NoClashOverload = ??? +} +case class NoClashOverload private (x: Int) + + + +class BaseNCP[T] { + // error: overloaded method apply needs result type + def apply(x: T): NoClashPoly = if (???) NoClashPoly(1) else ??? +} + +object NoClashPoly extends BaseNCP[Boolean] +case class NoClashPoly private(x: Int) + + +class BaseCP[T] { + // error: overloaded method apply needs result type + def apply(x: T): ClashPoly = if (???) ClashPoly(1) else ??? +} +object ClashPoly extends BaseCP[Int] +case class ClashPoly private(x: Int) |