com.github.sviperll.adt4j.examples.OptionalVisitor Maven / Gradle / Ivy
/*
* Copyright (c) 2014, Victor Nazarov
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without modification,
* are permitted provided that the following conditions are met:
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* 1. Redistributions of source code must retain the above copyright notice,
* this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright notice,
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package com.github.sviperll.adt4j.examples;
import com.github.sviperll.adt4j.GenerateValueClassForVisitor;
import com.github.sviperll.adt4j.Getter;
@GenerateValueClassForVisitor(resultVariableName = "R",
exceptionVariableName = "E",
valueClassName = "OptionalValue")
public interface OptionalVisitor {
R missing() throws E;
R present(@Getter("getValue") T value) throws E;
}