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namespace bridges_urp
{
    template < class t , class tequals >
    class Cache
    {
    public:
        inline Cache ( sal_uInt16 nMaxEntries );
        inline ~Cache();

        // puts the value t into the cache. Returns then entry,
        // that is used for this value.
        inline sal_uInt16 put( const t & );

        // lookup, if there is an entry for this value
        // returns 0xffff, when value cannot be found in the list
        inline sal_uInt16 seek( const t & );

        // resizes the cache, conserving overlapping values
        inline void resize( sal_uInt16 nNewMaxEntries );

        // empties the cache
        inline void clear();
    private:
        t *m_pCache;
        ::std::list< sal_uInt16 > m_lstLeastRecentlyUsed;
        sal_uInt16 m_nMaxEntries;
        sal_uInt16 m_nEntries;
    };
}

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