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Reactive Extensions for Java

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/*
 * Copyright (c) 2016-present, RxJava Contributors.
 *
 * 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 io.reactivex.rxjava3.internal.operators.flowable;

import org.reactivestreams.*;

import io.reactivex.rxjava3.core.*;
import io.reactivex.rxjava3.internal.subscriptions.*;

public final class FlowableCount extends AbstractFlowableWithUpstream {

    public FlowableCount(Flowable source) {
        super(source);
    }

    @Override
    protected void subscribeActual(Subscriber s) {
        source.subscribe(new CountSubscriber(s));
    }

    static final class CountSubscriber extends DeferredScalarSubscription
    implements FlowableSubscriber