тьфу на них всех

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All variants are initialized on creation to the special value Unassigned. The special value Null indicates unknown or missing data. Do not confuse an unassigned Variant with a Null Variant. A Null Variant is still assigned, but has the value Null, unlike unassigned Variants.

Comments

[black-skif.livejournal.com]

Да, на этом легко наебнуться ... Везде треба Nothing