/builddir/build/BUILD/libutil++-1.4.0/src/sella/variant/Null.cpp

/*
** libutil++
** $Id: Null.cpp 1197 2014-10-14 22:26:11Z sella $
** Copyright (c) 2011-2014 Digital Genesis, LLC. All Rights Reserved.
** Released under the LGPL Version 2.1 License.
** http://www.digitalgenesis.com
*/

static const char rcsid[] __attribute__((used)) = "$Id: Null.cpp 1197 2014-10-14 22:26:11Z sella $";

#include "Null.h"

using namespace sella::variant;

Null::Null() throw () : Nullable() { }

Null::Null(const Null &other) throw () : Nullable(other) { } 

Null& Null::operator=(const Null &other) throw () {
        if (this != &other) {
                Nullable::operator=(other);
        }

        return *this;
}

Null::~Null() throw () { }

const std::string& Null::str() const throw () {
        if (cache.empty()) {
                cache = "null";
        }

        return cache;
}

/*
** vim: noet ts=3 sw=3
*/

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