Komplexe Datenstrukturen

• hash of hashes:
%atoms = ( H => { name => ’Wasserstoff’,
mass => 1 },
He => { name => ’Helium’,
mass => 4 },
Li => { name => ’Lithium’,
mass => 6 } );
• Zugriff:
$atoms{He}->{mass}
$atoms{Li}{name}
18
. . . HoHs, . . .