/
Contact.java
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/
Contact.java
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/*
* Copyright (c) 2019, Jean-Baptiste Giraudeau <jb@giraudeau.info>
*
* This file is part of "Derive4J - Annotation Processor".
*
* "Derive4J - Annotation Processor" is free software: you can redistribute it
* and/or modify it under the terms of the GNU General Public License
* as published by the Free Software Foundation, either version 3 of the License,
* or (at your option) any later version.
*
* "Derive4J - Annotation Processor" is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with "Derive4J - Annotation Processor". If not, see <http://www.gnu.org/licenses/>.
*/
package org.derive4j.example;
import fj.Equal;
import fj.Hash;
import fj.Ord;
import fj.Show;
import org.derive4j.Data;
import org.derive4j.Derive;
import org.derive4j.Instances;
@Data(@Derive(@Instances({ Show.class, Hash.class, Equal.class, Ord.class })))
public abstract class Contact {
public abstract <R> R match(Cases<R> cases);
interface Cases<R> {
R byEmail(String email);
R byPhone(String phoneNumber);
R byMail(Address postalAddress);
}
}