diff options
-rw-r--r-- | src/library/scala/reflect/ClassTag.scala | 9 | ||||
-rw-r--r-- | test/files/run/classtags_core.check | 60 |
2 files changed, 32 insertions, 37 deletions
diff --git a/src/library/scala/reflect/ClassTag.scala b/src/library/scala/reflect/ClassTag.scala index 7b6df6e31c..5255c44f10 100644 --- a/src/library/scala/reflect/ClassTag.scala +++ b/src/library/scala/reflect/ClassTag.scala @@ -64,6 +64,7 @@ trait ClassTag[T] extends ClassManifestDeprecatedApis[T] with Equals with Serial } object ClassTag { + private val NothingTYPE = classOf[scala.runtime.Nothing$] private val NullTYPE = classOf[scala.runtime.Null$] private val ObjectTYPE = classOf[java.lang.Object] @@ -80,13 +81,7 @@ object ClassTag { val Object : ClassTag[java.lang.Object] = new ClassTag[java.lang.Object]{ def runtimeClass = ObjectTYPE; private def readResolve() = ClassTag.Object } val AnyVal : ClassTag[scala.AnyVal] = ClassTag.Object.asInstanceOf[ClassTag[scala.AnyVal]] val AnyRef : ClassTag[scala.AnyRef] = ClassTag.Object.asInstanceOf[ClassTag[scala.AnyRef]] - val Nothing : ClassTag[scala.Nothing] = new ClassTag[scala.Nothing]{ - def runtimeClass = throw new Exception("Nothing is a bottom type, therefore its erasure does not return a value") - private def readResolve() = ClassTag.Nothing - override def equals(x: Any) = x.isInstanceOf[ClassTag[_]] && (x.asInstanceOf[AnyRef] eq ClassTag.Nothing) - override def hashCode = System.identityHashCode(this) - override def toString = "ClassTag[Nothing]" - } + val Nothing : ClassTag[scala.Nothing] = new ClassTag[scala.Nothing]{ def runtimeClass = NothingTYPE; private def readResolve() = ClassTag.Nothing } val Null : ClassTag[scala.Null] = new ClassTag[scala.Null]{ def runtimeClass = NullTYPE; private def readResolve() = ClassTag.Null } def apply[T](runtimeClass1: jClass[_]): ClassTag[T] = diff --git a/test/files/run/classtags_core.check b/test/files/run/classtags_core.check index 2241108ba0..6519db2178 100644 --- a/test/files/run/classtags_core.check +++ b/test/files/run/classtags_core.check @@ -1,30 +1,30 @@ -true -ClassTag[byte] -true -ClassTag[short] -true -ClassTag[char] -true -ClassTag[int] -true -ClassTag[long] -true -ClassTag[float] -true -ClassTag[double] -true -ClassTag[boolean] -true -ClassTag[void] -true -ClassTag[class java.lang.Object] -true -ClassTag[class java.lang.Object] -true -ClassTag[class java.lang.Object] -true -ClassTag[class java.lang.Object] -true -ClassTag[class scala.runtime.Null$] -true -ClassTag[Nothing] +true
+ClassTag[byte]
+true
+ClassTag[short]
+true
+ClassTag[char]
+true
+ClassTag[int]
+true
+ClassTag[long]
+true
+ClassTag[float]
+true
+ClassTag[double]
+true
+ClassTag[boolean]
+true
+ClassTag[void]
+true
+ClassTag[class java.lang.Object]
+true
+ClassTag[class java.lang.Object]
+true
+ClassTag[class java.lang.Object]
+true
+ClassTag[class java.lang.Object]
+true
+ClassTag[class scala.runtime.Null$]
+true
+ClassTag[class scala.runtime.Nothing$]
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