# 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/wv5jjfq
yue-fang-readfog-go
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Go 併發可視化解釋 - sync-WaitGroup
場景Avito 是一名校車司機，他幫助 4 個 Gopher 孩子上學。每天，Avito 在他們的社區等待孩子們。他不知道孩子們需要多長時間，但他確切地知道有 4 個孩子他需要等待。當一個孩子準備好時，他 / 她會說：Done()，將計數器減 1。Avito 仍然被阻塞，因爲計數器仍然大於 0。他必須等到所有其他孩子準備好。如果有兩個孩子同時準備好，它們的同時準備會導致WaitGroup出現不一致 ⌘ Read more