public override V Put(K key, V value)
{
PruneDeadReferences();
WeakValueHashMap.WeakValue <V> valueRef = new WeakValueHashMap.WeakValue <V>(this,
key, value, referenceQueue);
return(GetReferenceValue(references.Put(key, valueRef)));
}
private V GetReferenceValue(WeakValueHashMap.WeakValue <V> valueRef)
{
return(valueRef == null ? null : valueRef.Get());
}