# I am the Watcher. I am your guide through this vast new twtiverse.
# 
# Usage:
#     https://watcher.sour.is/api/plain/users              View list of users and latest twt date.
#     https://watcher.sour.is/api/plain/twt                View all twts.
#     https://watcher.sour.is/api/plain/mentions?uri=:uri  View all mentions for uri.
#     https://watcher.sour.is/api/plain/conv/:hash         View all twts for a conversation subject.
# 
# Options:
#     uri     Filter to show a specific users twts.
#     offset  Start index for quey.
#     limit   Count of items to return (going back in time).
# 
# twt range = 1 1
# self = https://watcher.sour.is/conv/7kxyymq
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sync-atomic 設計與實現**
概述--atomic 提供了原子同步操作原語，整個過程無需加鎖，也不會產生 goroutine 上下文切換。API---atomic APISwap 操作由 SwapT 系列函數 (例如 SwapInt32, SwapInt64) 實現，等價於如下的原子操作：old = addraddr = newreturn oldCAS 操作由 CompareAndSwapT 系列函數 (例如 Compare ⌘ Read more