The single biggest change was abandoning PolySubML-style structural polymorphism for spine constructors (i.e. nominal typing).
Arc enables efficient data sharing across threads - each clone creates another reference to the same underlying data without duplicating it. The contained data persists until the final Arc instance is destroyed. Alternative sharing approaches like global variables might eliminate the need for Arc.
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Раскрыты подробности о фестивале ГАРАЖ ФЕСТ в Ленинградской области23:00
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这种食用方式能滋阴活血，预防心血管疾病。
Трамп инициировал самостоятельную добычу нефти странами-союзниками14:57