UnaryExpression

abstract def child: Expression

abstract def eval(series: Series): Any

Returns the result of evaluating this expression on a given input Series

abstract def getDataField: Option[Field]

final def !=(arg0: Any): Boolean

final def ##(): Int

final def ==(arg0: Any): Boolean

final def asInstanceOf[T0]: T0

def categories: Array[Any]

final def children: Array[Expression]

def clone(): AnyRef

def deeval(value: Any): Any

final def eq(arg0: AnyRef): Boolean

def equals(arg0: Any): Boolean

def eval(value: Any): Any

def extensions: Seq[Extension]

def finalize(): Unit

final def getClass(): Class[_]

def hasExtensions: Boolean

def hashCode(): Int

final def isInstanceOf[T0]: Boolean

final def ne(arg0: AnyRef): Boolean

final def notify(): Unit

final def notifyAll(): Unit

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