# 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/zrbkjua
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Go Mutex 錯過後悔的重要知識點**
Part1Go Mutex 的基本用法Mutex 我們一般只會用到它的兩個方法：Lock：獲取互斥鎖。(只會有一個協程可以獲取到鎖，通常用在臨界區開始的地方。) Unlock: 釋放互斥鎖。(釋放獲取到的鎖，通常用在臨界區結束的地方。) Mutex 的模型可以用下圖表示：Go Mutex 模型. png說明：同一時刻只能有一個協程獲取到 Mutex 的使用權，其他協程需要排隊等待（也就 ⌘ Read more