Object Option.Option

object Option

Supertypes	trait Sum trait Mirror class Object trait Matchable class Any
Self type	Option.type

Inherited types

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type MirroredElemLabels <: Tuple

The names of the product elements

Inherited from	Mirror

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type MirroredLabel <: String

The name of the type

Inherited from	Mirror

Concrete methods

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def apply[A](x: A): Option[A]

An Option factory which creates Some(x) if the argument is not null, and None if it is null.

Value parameters	x the value
Returns	Some(value) if value != null, None if value == null

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def empty[A]: Option[A]

An Option factory which returns None in a manner consistent with the collections hierarchy.

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def unless[A](cond: Boolean)(a: => A): Option[A]

Unless a given condition is true, this will evaluate the a argument and return Some(a). Otherwise, a is not evaluated and None is returned.

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def when[A](cond: Boolean)(a: => A): Option[A]

When a given condition is true, evaluates the a argument and returns Some(a). When the condition is false, a is not evaluated and None is returned.

Implicits

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implicit def option2Iterable[A](xo: Option[A]): Iterable[A]

An implicit conversion that converts an option to an iterable value