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/*
* Copyright 2015 DiffPlug
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package com.diffplug.jscriptbox;
/**
* We'd like to pass lambdas to {@link JScriptBox} through a fluent API,
* which means that we need to describe the function signature
* in the method name.
* <p>
* In order to make this concise, here are functional interfaces
* with consistent naming conventions, for arity 0 to 4, with and
* without return values.
*/
public final class ArityN {
private ArityN() {}
// @formatter:off
@FunctionalInterface public interface Void0 { void apply() throws Throwable; }
@FunctionalInterface public interface Void1<A> { void apply(A a) throws Throwable; }
@FunctionalInterface public interface Void2<A, B> { void apply(A a, B b) throws Throwable; }
@FunctionalInterface public interface Void3<A, B, C> { void apply(A a, B b, C c) throws Throwable; }
@FunctionalInterface public interface Void4<A, B, C, D> { void apply(A a, B b, C c, D d) throws Throwable; }
@FunctionalInterface public interface Func0<R> { R apply() throws Throwable; }
@FunctionalInterface public interface Func1<A, R> { R apply(A a) throws Throwable; }
@FunctionalInterface public interface Func2<A, B, R> { R apply(A a, B b) throws Throwable; }
@FunctionalInterface public interface Func3<A, B, C, R> { R apply(A a, B b, C c) throws Throwable; }
@FunctionalInterface public interface Func4<A, B, C, D, R> {R apply(A a, B b, C c, D d) throws Throwable; }
// @formatter:on
}