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package com.annimon.stream.operator;

import com.annimon.stream.function.DoubleConsumer;
import com.annimon.stream.iterator.PrimitiveIterator;

public class DoublePeek extends PrimitiveIterator.OfDouble {

    private final PrimitiveIterator.OfDouble iterator;
    private final DoubleConsumer action;

    public DoublePeek(PrimitiveIterator.OfDouble iterator, DoubleConsumer action) {
        this.iterator = iterator;
        this.action = action;
    }

    @Override
    public boolean hasNext() {
        return iterator.hasNext();
    }

    @Override
    public double nextDouble() {
        final double value = iterator.nextDouble();
        action.accept(value);
        return value;
    }
}