Package com.github.tonivade.purefun.type

Class Option.None<T>

java.lang.Object

com.github.tonivade.purefun.type.Option.None<T>

All Implemented Interfaces:

Applicable<Option<?>,T>, Bindable<Option<?>,T>, Mappable<Option<?>,T>, Kind<Option<?>,T>, Option<T>, OptionOf<T>, Serializable

Enclosing interface:

Option<T>

public static final class Option.None<T>
extends Object
implements Option<T>, Serializable

See Also:

• Serialized Form

Nested Class Summary

Nested classes/interfaces inherited from interface com.github.tonivade.purefun.core.Applicable

Applicable.Map2<F extends Applicable<F,?>,A,B>, Applicable.Map3<F extends Applicable<F,?>,A,B,C>, Applicable.Map4<F extends Applicable<F,?>,A,B,C,D>, Applicable.Map5<F extends Applicable<F,?>,A,B,C,D,E>

Nested classes/interfaces inherited from interface com.github.tonivade.purefun.type.Option

Option.None<T>, Option.Some<T>

Field Summary

Fields

Modifier and Type	Field	Description
private static final Option.None<?>	INSTANCE
private static final long	serialVersionUID

Constructor Summary

Constructors

Modifier	Constructor	Description
private	None()

Method Summary

Modifier and Type	Method	Description
boolean	equals(Object obj)
int	hashCode()
boolean	isEmpty()
boolean	isPresent()
private Object	readResolve()
String	toString()

Methods inherited from class java.lang.Object

clone, finalize, getClass, notify, notifyAll, wait, wait, wait

Methods inherited from interface com.github.tonivade.purefun.core.Applicable

zip, zipLeft, zipRight, zipWith

Methods inherited from interface com.github.tonivade.purefun.core.Bindable

andThen

Methods inherited from interface com.github.tonivade.purefun.Kind

fix, kind

Methods inherited from interface com.github.tonivade.purefun.type.Option

ap, filter, filterNot, flatMap, fold, getOrElse, getOrElse, getOrElseNull, getOrElseThrow, getOrElseThrow, ifEmpty, ifPresent, map, or, orElse, sequence, stream, toEither, toOptional, toTry

Field Details

serialVersionUID

private static final long serialVersionUID

See Also:

• Constant Field Values

INSTANCE

private static final Option.None<?> INSTANCE

Constructor Details

None

private None()

Method Details

isEmpty

public boolean isEmpty()

Specified by:

isEmpty in interface Option<T>

isPresent

public boolean isPresent()

Specified by:

isPresent in interface Option<T>

hashCode

public int hashCode()

Overrides:

hashCode in class Object

equals

public boolean equals(Object obj)

Overrides:

equals in class Object

toString

public String toString()

Overrides:

toString in class Object

readResolve

private Object readResolve()