仅在文档解析的基准测试上，OCR 2用最少的视觉token战胜了Qwen3-VL-235B这种千亿级选手。
:first-child]:h-full [&:first-child]:w-full [&:first-child]:mb-0 [&:first-child]:rounded-[inherit] h-full w-full
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People claim std::variant and std::visit provide a more "TYPE SAFE" way, but in fact they just provide some checks. It simply ensures that an invalid cast like (TypeA*) type_b_object is caught either at compile time (if the type is not in the variant at all) or at runtime (if the active type does not match), rather than silently producing undefined behavior as the hand-written version would.
WHERE message === 'research' AND country === 'Canada'