Crate ruststream_macros 

Procedural macros for RustStream.

Re-exported from the ruststream crate under the macros feature; depend on that rather than on this crate directly.

Attribute Macros

app

Generates a main entry point for a RustStream service.

subscriber

Turns an async fn handler into a mountable subscriber definition.

Derive Macros

FromRef

Derives FromRef for each field of an application-state struct, so #[subscriber] handlers can inject any field with State<FieldType> without a hand-written impl.

Message

Derives Message metadata: the type name and its doc comment.

OutSlot

Derives OutSlot for a unit struct, making it a slot marker for Out<impl Publisher, Marker> handler parameters. The marker’s NAME is the struct’s identifier, used by startup errors and test assertions.