com.m3.scalaflavor4j

Class Left<L,R>

java.lang.Object

com.m3.scalaflavor4j.Either<L,R>

com.m3.scalaflavor4j.Left<L,R>

public class Left<L,R>
extends Either<L,R>

The left side of the disjoint union, as opposed to the Right side.

See Also:

"http://www.scala-lang.org/api/2.9.1/index.html#scala.Left"

Constructor Summary

Constructors

Constructor and Description
Left(L value)
Left(Option<L> value)

Method Summary

Methods

Modifier and Type	Method and Description
static <L,R> Left<L,R>	apply(L value)
static <L,R> Either<L,R>	apply(Option<L> value)
boolean	isLeft() Returns true if this is a Left, false otherwise.
boolean	isRight() Returns true if this is a Right, false otherwise.
Option<L>	left() Projects this Either as a Left.
L	mergeToLeft(Function1<R,L> rightToLeft) Returns merged value to the Left type.
R	mergeToRight(Function1<L,R> leftToRight) Returns merged value to the Right type.
Option<R>	right() Projects this Either as a Right.
Either<R,L>	swap() If this is a Left, then return the left value in Right or vice versa.
String	toString()

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, wait, wait, wait

Constructor Detail

Left

public Left(L value)

Left

public Left(Option<L> value)

Method Detail

apply

public static <L,R> Left<L,R> apply(L value)

apply

public static <L,R> Either<L,R> apply(Option<L> value)

isLeft

public boolean isLeft()

Description copied from class: Either

Returns true if this is a Left, false otherwise.

Specified by:

isLeft in class Either<L,R>

isRight

public boolean isRight()

Description copied from class: Either

Returns true if this is a Right, false otherwise.

Specified by:

isRight in class Either<L,R>

left

public Option<L> left()

Description copied from class: Either

Projects this Either as a Left. [NOTE] Different from Scala

Specified by:

left in class Either<L,R>

right

public Option<R> right()

Description copied from class: Either

Projects this Either as a Right. [NOTE] Different from Scala

Specified by:

right in class Either<L,R>

swap

public Either<R,L> swap()

Description copied from class: Either

If this is a Left, then return the left value in Right or vice versa.

Specified by:

swap in class Either<L,R>

toString

public String toString()

Overrides:

toString in class Object

mergeToLeft

public L mergeToLeft(Function1<R,L> rightToLeft)

Description copied from class: Either

Returns merged value to the Left type. [NOTE] Different from Scala

Specified by:

mergeToLeft in class Either<L,R>

Returns:

as a Left value

mergeToRight

public R mergeToRight(Function1<L,R> leftToRight)

Description copied from class: Either

Returns merged value to the Right type. [NOTE] Different from Scala

Specified by:

mergeToRight in class Either<L,R>

Returns:

as a Right value