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Clover is an award winning code coverage and testing tool for Java and Groovy. It integrates easily with Maven, Ant, Grails, Eclipse and IntelliJ IDEA as well as with continuous integration servers such as Bamboo, Jenkins or Hudson. Note: before Clover 4.0 this artifact was named com.cenqua.clover:clover.

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package org.openclover.util.function;

import java.util.Iterator;

public class TransformingIterator> implements Iterator {

    private final Iterator sourceIterator;
    private final F mapper;

    public TransformingIterator(Iterator sourceIterator, F mapper) {
        this.sourceIterator = sourceIterator;
        this.mapper = mapper;
    }

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

    @Override
    public T next() {
        return mapper.apply(sourceIterator.next());
    }

    @Override
    public void remove() {
        sourceIterator.remove();
    }
}