# 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/jy6qbdq
寫給 go 開發者的 gRPC 教程 - metadata
導語 和在普通HTTP請求中一樣,gRPC 提供了在每一次 RPC 中攜帶上下文的結構:metadata。在 Go 語言中,它與context.Context緊密結合,幫助我們實現服務端與客戶端之間互相傳遞信息什麼是 metadata?---------------gRPC 的 metadata 簡單理解,就是 HTTP Header  中的 key-value 對metadata 是 ⌘ Read more