Attribute Macro di_container 

#[di_container]

Compile-time dependency injection container

Generates a container with automatic dependency resolution at compile time.

Attributes

• #[provide(expr)] - Use custom expression for initialization
• #[provide(from_env)] - Load from environment using FromEnv trait
• #[provide(singleton)] - Shared instance (default)
• #[provide(transient)] - New instance on each access
• #[provide(async)] - Async initialization using AsyncInit trait
• #[depends(field1, field2)] - Explicit dependencies

Example (Sync)

#[di_container]
struct AppContainer {
    database: DatabaseService,
    repository: UserRepository,
}

let container = AppContainer::new();

Example (Async)

#[di_container]
struct AppContainer {
    #[provide(from_env)]
    config: Config,

    #[provide(singleton, async)]
    #[depends(config)]
    database: DatabasePool,

    #[provide(transient)]
    service: MyService,
}

let container = AppContainer::build().await?;