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/*
 * This file is part of "lunisolar-magma".
 *
 * (C) Copyright 2014-2019 Lunisolar (http://lunisolar.eu/).
 *
 * 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 eu.lunisolar.magma.basics.meta.functional;

import eu.lunisolar.magma.basics.meta.aType;
import eu.lunisolar.magma.basics.meta.aType.aInt;
import eu.lunisolar.magma.basics.meta.functional.type.OFunction;

import java.util.function.*;

@SuppressWarnings("unchecked")
public interface SizeMeasure {

    OFunction genericSizeFunc();

    default > F sizeFunc() {
        return (F) genericSizeFunc();
    }

    default int size(C contgainer) {
        ToIntFunction func = sizeFunc(); // LToIntFunction is expected
        return func.applyAsInt(contgainer);
    }
}