# 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/cflg5la
yue-fang-readfog-go
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爲什麼說 Go 語言字符串是不可變的？**
最近有讀者留言說，平時在寫代碼的過程中，是會對字符串進行修改的，但網上都說 Go 語言字符串是不可變的，這是爲什麼呢？這個問題本身並不困難，但對於新手來說確實容易產生困惑，今天就來回答一下。首先來看看它的底層結構：type stringStruct struct {    str unsafe.Pointer    len int}和切片的結構很像，只不過少了一個表示容量的 cap 字段。str： ⌘ Read more