Function sc_service::client::light::new_light

pub fn new_light<B, S, RA, E>(
    backend: Arc<Backend<S, HashFor<B>>>, 
    genesis_storage: &dyn BuildStorage, 
    code_executor: E, 
    spawn_handle: Box<dyn SpawnNamed>, 
    prometheus_registry: Option<Registry>, 
    telemetry: Option<TelemetryHandle>
) -> ClientResult<Client<Backend<S, HashFor<B>>, GenesisCallExecutor<Backend<S, HashFor<B>>, LocalCallExecutor<B, Backend<S, HashFor<B>>, E>>, B, RA>> where
    B: BlockT,
    S: BlockchainStorage<B> + 'static,
    E: CodeExecutor + RuntimeVersionOf + Clone + 'static, 

Create an instance of light client.