by shigemk2

当面は技術的なことしか書かない

akkaの!と?

なんとまあググらビリティのひくい話題。

! means “fire-and-forget”, e.g. send a message asynchronously and return immediately. Also known as tell. ? sends a message asynchronously and returns a Future representing a possible reply. Also known as ask.

すぐに返答が来るのが!で、非同期なのが?

stackoverflow.com