How to handle multiple arguments with different type?

[LTstrange]

I'm currently attempting to develop a command-line parser using clap.
However, I've encountered difficulty in representing the following behavior:

cargo run -- --port <PORT> --replicaof <MASTER_HOST> <MASTER_PORT>

Here, the <PORT> is expected to be a u16, <MASTER_HOST> is a String, and <MASTER_PORT> is another u16.
Essentially, what I'm seeking is something that looks like this:

#[derive(Parser)]
struct RedisArgs {
    /// Set the server's port
    #[arg(long, default_value = "6379")]
    port: u16,
    /// Set server to replica
    #[arg(long)]
    replicaof: Option<(String ,u16)>,
}

However, I've encountered an issue where clap fails to compile with this structure.

Using Vec as an alternative means all arguments are treated as strings, which is not what I want, especially for the port argument.

Is there a solution to this problem, or must I resort to the Vec method?

Here is the description of the problem: codecrafters: redis: replication-3