Macro _define_dispatch_server

macro_rules! _define_dispatch_server {
    (
        $service:ty,
        $hash_by:ident : $hash_type:ty,

        $mpsc_sender_type:ty,

        [ $(
            $shard_method:ident ($shard_request:ty) -> $shard_reply:ty,
        )* ],

        [ $(
            $mutable_method:ident ($mutable_request:ty) -> $mutable_reply:ty,
        )* ],

        [ $(
            $readonly_method:ident ($readonly_request:ty) -> $readonly_reply:ty,
        )* ]
    ) => { ... };
}

internal macro