diff options
| -rw-r--r-- | src/library/scala/Dynamic.scala | 10 | ||||
| -rw-r--r-- | test/files/run/dynamic-anyval.check | 4 | ||||
| -rw-r--r-- | test/files/run/dynamic-anyval.scala | 22 |
3 files changed, 31 insertions, 5 deletions
diff --git a/src/library/scala/Dynamic.scala b/src/library/scala/Dynamic.scala index faf834d310..3bcb2f1c90 100644 --- a/src/library/scala/Dynamic.scala +++ b/src/library/scala/Dynamic.scala @@ -9,11 +9,11 @@ package scala /** A marker trait that enables dynamic invocations. Instances `x` of this - * trait allow method invocations `x.meth(args)` for arbitrary method - * names `meth` and argument lists `args` as well as field accesses + * trait allow method invocations `x.meth(args)` for arbitrary method + * names `meth` and argument lists `args` as well as field accesses * `x.field` for arbitrary field names `field`. * - * If a call is not natively supported by `x` (i.e. if type checking + * If a call is not natively supported by `x` (i.e. if type checking * fails), it is rewritten according to the following rules: * * {{{ @@ -23,12 +23,12 @@ package scala * foo.field ~~> foo.selectDynamic("field") * foo.varia = 10 ~~> foo.updateDynamic("varia")(10) * foo.arr(10) = 13 ~~> foo.selectDynamic("arr").update(10, 13) - * foo.arr(10) ~~> foo.applyDynamics("arr")(10) + * foo.arr(10) ~~> foo.applyDynamic("arr")(10) * }}} * * As of Scala 2.10, defining direct or indirect subclasses of this trait * is only possible if the language feature `dynamics` is enabled. */ -trait Dynamic +trait Dynamic extends Any diff --git a/test/files/run/dynamic-anyval.check b/test/files/run/dynamic-anyval.check new file mode 100644 index 0000000000..dee7bef8e8 --- /dev/null +++ b/test/files/run/dynamic-anyval.check @@ -0,0 +1,4 @@ +().dingo(bippy, 5) +List(1, 2, 3).dingo(bippy, 5) +().dingo(bippy, 5) +List(1, 2, 3).dingo(bippy, 5) diff --git a/test/files/run/dynamic-anyval.scala b/test/files/run/dynamic-anyval.scala new file mode 100644 index 0000000000..605503d377 --- /dev/null +++ b/test/files/run/dynamic-anyval.scala @@ -0,0 +1,22 @@ +import scala.language.dynamics + +object Test { + implicit class DynamicValue[T](val value: T) extends AnyVal with Dynamic { + def applyDynamic(name: String)(args: Any*) = println(s"""$this.$name(${args mkString ", "})""") + override def toString = "" + value + } + implicit class DynamicValue2[T](val value: T) extends Dynamic { + def applyDynamic(name: String)(args: Any*) = println(s"""$this.$name(${args mkString ", "})""") + override def toString = "" + value + } + + def f[T](x: DynamicValue[T]) = x.dingo("bippy", 5) + def g[T](x: DynamicValue2[T]) = x.dingo("bippy", 5) + + def main(args: Array[String]): Unit = { + f(()) + f(List(1, 2, 3)) + g(()) + g(List(1, 2, 3)) + } +} |