eu.hanskruse.noaber.patternMatching

Class CaseAcceptor<T>

java.lang.Object

eu.hanskruse.noaber.patternMatching.CaseAcceptor<T>

Type Parameters:

T - type of the argument.

public final class CaseAcceptor<T>
extends Object

Capture argument of match function for pattern matching. Accepts an array of Case clauses.

Since:

1.0.0

Version:

1.0.0

Author:

Hans Kruse

Constructor Summary

Constructors

Constructor and Description
CaseAcceptor(T value)

Method Summary

Modifier and Type	Method and Description
<R> Optional<? extends R>	with(Case<? super T,R>... cases) Evaluate a set of cases until one has a none Optional.Empty() result.

Methods inherited from class java.lang.Object

equals, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Constructor Detail

CaseAcceptor

public CaseAcceptor(T value)

Method Detail

with

@SafeVarargs
public final <R> Optional<? extends R> with(Case<? super T,R>... cases)

Evaluate a set of cases until one has a none Optional.Empty() result. Return that result.

Type Parameters:

R - type of the result

Parameters:

cases - set of cases

Returns:

the first case that has a none Optional.empty result. If the list is empty or null Optional.empty() will be returned.