Function run_client 

fn run_client<A: for<'a, 's> Decode<'a, 's, ()>>(
    config: BridgeConfig<'_>,
    f: impl FnOnce(A) -> TokenStream,
) -> Buffer

🔬This is a nightly-only experimental API. (proc_macro_internals)

Client-side helper for handling client panics, entering the bridge, deserializing input and serializing output.