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// example for CMapStringToOb::LookUp
CMapStringToOb map;
CAge* pa;
map.SetAt( "Bart", new CAge( 13 ) );
map.SetAt( "Lisa", new CAge( 11 ) );
map.SetAt( "Homer", new CAge( 36 ) );
map.SetAt( "Marge", new CAge( 35 ) );
ASSERT( map.Lookup( "Lisa", ( CObject*& ) pa ) ); // Is "Lisa" in the map? =>这句居然是( CObject*& )
ASSERT( *pa == CAge( 11 ) ); // Is she 11?