限时立减500美元：截至4月11日，大疆Mini 5 Pro畅飞套装在亚马逊平台售价降至1089美元，较官方定价优惠超500美元，创下该平台历史最低价。
Apple's $599 MacBook Neo hands-on: The budget laptop we've all been waiting for?
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sync.RWMutex fits perfectly. Writers acquire exclusive locks, but hold them only for few instructions updating ring buffer. Readers share read locks, holding them just long enough to snapshot buffer (make and copy operations). Actual serialization, filtering, or streaming occurs after lock release.