1 /*-
2 * #%L
3 * io.earcam.unexceptional
4 * %%
5 * Copyright (C) 2016 - 2017 earcam
6 * %%
7 * SPDX-License-Identifier: (BSD-3-Clause OR EPL-1.0 OR Apache-2.0 OR MIT)
8 *
9 * You <b>must</b> choose to accept, in full - any individual or combination of
10 * the following licenses:
11 * <ul>
12 * <li><a href="https://opensource.org/licenses/BSD-3-Clause">BSD-3-Clause</a></li>
13 * <li><a href="https://www.eclipse.org/legal/epl-v10.html">EPL-1.0</a></li>
14 * <li><a href="https://www.apache.org/licenses/LICENSE-2.0">Apache-2.0</a></li>
15 * <li><a href="https://opensource.org/licenses/MIT">MIT</a></li>
16 * </ul>
17 * #L%
18 */
19 package io.earcam.unexceptional;
20
21 /**
22 * A function accepting 2 arguments and supplying an {@code int} return
23 *
24 * @param <T> first argument type
25 * @param <U> last argument type
26 * @param <E> the type of Throwable declared
27 *
28 * @since 0.2.0
29 */
30 @FunctionalInterface
31 public interface CheckedToIntBiFunction<T, U, E extends Throwable> {
32
33 /**
34 * Applies this function to the given arguments.
35 *
36 * @param t the first function argument
37 * @param u the second function argument
38 * @return the function result
39 * @throws Throwable Any throwable
40 */
41 int applyAsInt(T t, U u) throws E;
42
43 }