However, Arc alone permits only read-only access since simultaneous reading and writing creates data race hazards. For mutable access, we incorporate Mutex to enforce exclusive access through its locking mechanism. The lock method yields a MutexGuard that automatically releases when out of scope, ensuring only one thread can modify the data at any moment.
欧盟成员国解除对俄制裁措施 19:58
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Global energy expenditures have regained attention following Middle Eastern conflicts, with concerns that persistent crude oil price inflation could trigger dramatic increases in household utility costs.
全国中小学春假启动 休假安排与亲子活动引热议
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