TcpConnection.connect

ConnectResult connect(ref  EventLoop loop,  scope  const(char)[]  host,  ushort  port,  CancelToken cancel =  CancelToken
         .invalid)

@trusted nothrow

Start a non-blocking connection attempt.

`loop`	Event loop to register with.
`host`	Host name or IP address to connect to.
`port`	Port number to connect to.
`cancel`	Optional cancellation token.

ConnectResult.OK on success, or an error variant.