pub fn new(stack: TcpStack) -> Self {
        Self {
            socket: None,
            network_stack: stack,
        }
    }
/// Construct a new network holder utility.
Construct a new network holder utility.
Construct a new network holder utility .
pub fn new(stack: TcpStack) -> Self {
        Self {
            socket: None,
            network_stack: stack,
        }
    }
pub fn new ( stack : TcpStack ) -> Self { Self { socket : None , network_stack : stack , } }
Construct a new network holder utility.
Construct a new network holder utility .
stack
TcpStack