Function register 

pub fn register<T, E>(linker: &mut Linker<T>) -> Result<()>
where
    T: ProcessState + ProcessCtx<T> + DistributedCtx<E> + ErrorCtx + LunaticWasiCtx + Send + Sync + ResourceLimiter + 'static,
    for<'a> &'a T: Send,
    T::Config: ProcessConfigCtx,
    E: Environment + 'static,