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• 0.8.0
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• MapUtils.java

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com.github.lizardev.xquery.saxon.coverage.util.MapUtils Maven / Gradle / Ivy

package com.github.lizardev.xquery.saxon.coverage.util;

import java.util.Map;

public final class MapUtils {

    private MapUtils() {
    }

    public static  V putIfAbsent(Map map, K key, V value) {
        V actualValue = map.get(key);
        if (actualValue == null) {
            actualValue = value;
            map.put(key, actualValue);
        }
        return actualValue;
    }
}