# 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/v6k6j2a
yue-fang-readfog-go
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Go: 當函數設計遇到切片**
切片 (slice) 是 Go 語言中的一種重要的也是最常用的同構數據類型。在 Go 語言編碼過程中，我們多數情況下會使用 slice 替代數組，一來是因爲其動態可擴展，二來在多數場合傳遞 slice 的開銷要比傳遞數組要小(這裏有一些例外 [1])。切片算是 “半個” 零值可用的類型 [2]，爲什麼這麼說呢？當我們聲明一個切片類型實例但在未顯式初始化的情況下，我們不能直接對其做下標操作，比如：v ⌘ Read more