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package com.annimon.stream.operator;

import com.annimon.stream.function.LongPredicate;
import com.annimon.stream.iterator.PrimitiveExtIterator;
import com.annimon.stream.iterator.PrimitiveIterator;

public class LongDropWhile extends PrimitiveExtIterator.OfLong {

    private final PrimitiveIterator.OfLong iterator;
    private final LongPredicate predicate;

    public LongDropWhile(PrimitiveIterator.OfLong iterator, LongPredicate predicate) {
        this.iterator = iterator;
        this.predicate = predicate;
    }

    @Override
    protected void nextIteration() {
        if (!isInit) {
            // Skip first time
            while (hasNext = iterator.hasNext()) {
                next = iterator.next();
                if (!predicate.test(next)) {
                    return;
                }
            }
        }

        hasNext = hasNext && iterator.hasNext();
        if (!hasNext) return;

        next = iterator.next();
    }
}