# 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/x7au3eq
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Go 類型安全的 Pool
池（sync.Pool）是一組可單獨保存 (Set) 和檢索 (Get) 的臨時對象集合。存儲在池中的任何項都可能在任何時候自動移除而無需通知。如果池在移除項時持有該對象的唯一引用，那麼這個對象可能會被釋放掉。池能夠確保在多個 goroutine 同時訪問時的安全性。池的目的在於緩存已分配但未使用的對象以便後續複用，減輕垃圾收集器的壓力。也就是說池的功能是爲了重用對象，目的是減輕 GC 的壓力。類 ⌘ Read more