Function xrl::spawn

pub fn spawn<B, F>(
    executable: &str, 
    builder: B
) -> Result<(Client, CoreStderr), ClientError> where
    F: Frontend + 'static + Send,
    B: FrontendBuilder<Frontend = F> + 'static, 

Start Xi core, and spawn an RPC client on the current tokio executor.

Panics

This function calls tokio::spawn so it will panic if the default executor is not set or if spawning onto the default executor returns an error.