# 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/nas2zbq
Golang 互斥鎖內部實現**
go 語言提供了一種開箱即用的共享資源的方式,互斥鎖 (sync.Mutex), sync.Mutex 的零值表示一個沒有被鎖的,可以直接使用的,一個 goroutine 獲得互斥鎖後其他的 goroutine 只能等到這個 gorutine 釋放該互斥鎖, 在 Mutex 結構中只公開了兩個函數,分別是 Lock 和 Unlock,在使用互斥鎖的時候非常簡單,本文並不闡述使用。在使用 sync. ⌘ Read more