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Rembulan Standard Library

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/*
 * Copyright 2016 Miroslav Janíček
 *
 * 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 net.sandius.rembulan.lib.impl;

import net.sandius.rembulan.Metatables;
import net.sandius.rembulan.Ordering;
import net.sandius.rembulan.Table;

final class TableUtil {

	private TableUtil() {
		// not to be instantiated
	}

	public static boolean hasLenMetamethod(Table t) {
		return Metatables.getMetamethod(Metatables.MT_LEN, t) != null;
	}

	public static boolean hasIndexMetamethod(Table t) {
		return Metatables.getMetamethod(Metatables.MT_INDEX, t) != null;
	}

	public static boolean hasNewIndexMetamethod(Table t) {
		return Metatables.getMetamethod(Metatables.MT_NEWINDEX, t) != null;
	}

	public static Ordering