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Diffstat (limited to 'src/library/scala/reflect/base/TagInterop.scala')
| -rw-r--r-- | src/library/scala/reflect/base/TagInterop.scala | 16 |
1 files changed, 15 insertions, 1 deletions
diff --git a/src/library/scala/reflect/base/TagInterop.scala b/src/library/scala/reflect/base/TagInterop.scala index ec054106eb..e989631abf 100644 --- a/src/library/scala/reflect/base/TagInterop.scala +++ b/src/library/scala/reflect/base/TagInterop.scala @@ -4,12 +4,26 @@ package base import scala.runtime.ScalaRunTime._ trait TagInterop { self: Universe => - // todo. `mirror` parameters are now of type `Any`, because I can't make these path-dependent types work + // TODO `mirror` parameters are now of type `Any`, because I can't make these path-dependent types work // if you're brave enough, replace `Any` with `Mirror`, recompile and run interop_typetags_are_manifests.scala + /** + * Convert a typetag to a pre `Scala-2.10` manifest. + * For example + * {{{ + * typeTagToManifest( scala.reflect.runtime.currentMirror, implicitly[TypeTag[String]] ) + * }}} + */ def typeTagToManifest[T: ClassTag](mirror: Any, tag: base.Universe # TypeTag[T]): Manifest[T] = throw new UnsupportedOperationException("This universe does not support tag -> manifest conversions. Use scala.reflect.runtime.universe from scala-reflect.jar.") + /** + * Convert a pre `Scala-2.10` manifest to a typetag. + * For example + * {{{ + * manifestToTypeTag( scala.reflect.runtime.currentMirror, implicitly[Manifest[String]] ) + * }}} + */ def manifestToTypeTag[T](mirror: Any, manifest: Manifest[T]): base.Universe # TypeTag[T] = throw new UnsupportedOperationException("This universe does not support manifest -> tag conversions. Use scala.reflect.runtime.universe from scala-reflect.jar.") } |