Function sc_service::client::new_in_mem

pub fn new_in_mem<E, Block, S, RA>(
    executor: E, 
    genesis_storage: &S, 
    keystore: Option<SyncCryptoStorePtr>, 
    prometheus_registry: Option<Registry>, 
    telemetry: Option<TelemetryHandle>, 
    spawn_handle: Box<dyn SpawnNamed>, 
    config: ClientConfig<Block>
) -> Result<Client<Backend<Block>, LocalCallExecutor<Block, Backend<Block>, E>, Block, RA>> where
    E: CodeExecutor + RuntimeVersionOf,
    S: BuildStorage,
    Block: BlockT, 

Create an instance of in-memory client.