/*
 * Copyright (C) 2020-2022 Sebastiano Vigna
 *
 * 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 PACKAGE;

/** A class providing static methods and objects that do useful things with type-specific iterables.
 *
 * @see Iterable
 */

public final class ITERABLES {

	private ITERABLES() {}

	/** Counts the number of elements returned by a type-specific iterable.
	 *
	 * @param iterable an iterable.
	 * @return the number of elements returned by {@code iterable}.
	 */
	public static KEY_GENERIC long size(final STD_KEY_ITERABLE KEY_GENERIC iterable) {
		long c = 0;
		for (@SuppressWarnings("unused") final KEY_GENERIC_TYPE dummy : iterable) c++;
		return c;
	}
}
