System Initiative

use crate::id::RequestId; /// A unique version of a message type. /// /// Note: all versions of a message type are tracked via a type that implements `AllVersions`. pub trait Versioned { /// A unique identifier representing a single message in a system. fn id(&self) -> RequestId; /// The message version for this type. fn message_version() -> u64; /// The message version for this message. #[inline] fn version(&self) -> u64 { Self::message_version() } }