Crate photon_macros 

Proc macros for Photon pub/sub.

Entry points

• [topic] — typed publish/subscribe on a struct; submits a topic descriptor to inventory
• [subscribe] — registers a handler; requires Photon::start_executor at boot

Attribute tables: photon::config. Getting started: declare topics.

Attribute Macros

subscribe

Marks a function as a subscription handler registered via inventory.

topic

Marks a struct as a Photon topic, generating typed publish/subscribe APIs.