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Common functionality Java library

There is a newer version: 2.3.6

package com.github.akurilov.commons.func;

import java.util.function.Function;

@FunctionalInterface
public interface Function4 {

	Z apply(final A a, final B b, final C c, final D d);

	static  Function partial123(
		final Function4 f, final A a, final B b, final C c
	) {
		return (d) -> f.apply(a, b, c, d);
	}

	static  Function partial124(
		final Function4 f, final A a, final B b, final D d
	) {
		return (c) -> f.apply(a, b, c, d);
	}

	static  Function partial134(
		final Function4 f, final A a, final C c, final D d
	) {
		return (b) -> f.apply(a, b, c, d);
	}

	static  Function partial234(
		final Function4 f, final B b, final C c, final D d
	) {
		return (a) -> f.apply(a, b, c, d);
	}

	static  Function2 partial12(
		final Function4 f, final A a, final B b
	) {
		return (c, d) -> f.apply(a, b, c, d);
	}

	static  Function2 partial13(
		final Function4 f, final A a, final C c
	) {
		return (b, d) -> f.apply(a, b, c, d);
	}

	static  Function2 partial14(
		final Function4 f, final A a, final D d
	) {
		return (b, c) -> f.apply(a, b, c, d);
	}

	static  Function2 partial23(
		final Function4 f, final B b, final C c
	) {
		return (a, d) -> f.apply(a, b, c, d);
	}

	static  Function2 partial24(
		final Function4 f, final B b, final D d
	) {
		return (a, c) -> f.apply(a, b, c, d);
	}

	static  Function2 partial34(
		final Function4 f, final C c, final D d
	) {
		return (a, b) -> f.apply(a, b, c, d);
	}

	static  Function3 partial1(
		final Function4 f, final A a
	) {
		return (b, c, d) -> f.apply(a, b, c, d);
	}

	static  Function3 partial2(
		final Function4 f, final B b
	) {
		return (a, c, d) -> f.apply(a, b, c, d);
	}

	static  Function3 partial3(
		final Function4 f, final C c
	) {
		return (a, b, d) -> f.apply(a, b, c, d);
	}

	static  Function3 partial4(
		final Function4 f, final D d
	) {
		return (a, b, c) -> f.apply(a, b, c, d);
	}
}