SignalError

final def !=(arg0: AnyRef): Boolean

final def !=(arg0: Any): Boolean

final def ##(): Int

def +(other: String): String

def +=(body: ⇒ Unit): AnyRef

def ->[B](y: B): (SignalError, B)

final def ==(arg0: AnyRef): Boolean

final def ==(arg0: Any): Boolean

final def asInstanceOf[T0]: T0

def clone(): AnyRef

def ensuring(cond: (SignalError) ⇒ Boolean, msg: ⇒ Any): SignalError

def ensuring(cond: (SignalError) ⇒ Boolean): SignalError

def ensuring(cond: Boolean, msg: ⇒ Any): SignalError

def ensuring(cond: Boolean): SignalError

final def eq(arg0: AnyRef): Boolean

def equals(other: Any): Boolean

def finalize(): Unit

def formatted(fmtstr: String): String

final def getClass(): Class[_]

def handle(handler: AnyRef): AnyRef

def handlerString(): String

def hashCode(): Int

def isDefault: Boolean

def isError: Boolean

def isIgnored: Boolean

final def isInstanceOf[T0]: Boolean

def isSetTo(ref: AnyRef): Boolean

val name: String

final def ne(arg0: AnyRef): Boolean

final def notify(): Unit

final def notifyAll(): Unit

def number: Int

def raise(): AnyRef

val self: Any

val self: Any

def setTo(body: ⇒ Unit): AnyRef

lazy val signal: AnyRef

final def synchronized[T0](arg0: ⇒ T0): T0

def toString(): String

final def wait(): Unit

final def wait(arg0: Long, arg1: Int): Unit

final def wait(arg0: Long): Unit

def withCurrentHandler[T](f: (AnyRef) ⇒ T): T

It's hard to believe there's no way to get a signal's current handler without replacing it, but if there is I couldn't find it, so we have this swapping code.

def →[B](y: B): (SignalError, B)

def x: SignalError

def x: SignalError