# 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/dak3haa
yue-fang-readfog
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揭祕 Go sync-Map 設計與實現**
什麼是 sync.Map------------我們都知道在 Go 語言中，普通的 Map 是非併發安全，併發讀寫時會 panic，sync.Map 則是官方庫提供的一種特殊的併發安全的映射類型，能保較高的性能的同時，還能保證併發安全。sync.Map 有以下幾個特點：sync.Map 特點併發安全： sync.Map 無需額外的鎖機制即可在多個 goroutine 中安全地進行讀寫操作。這對於高 ⌘ Read more