[marshray]

I just made a socket server for a small protocol, no (explicit) Tokio.

  [dependencies]
  futures-preview = { version = "0.3.0-alpha.14", features = ["io-compat"] }
  futures-util-preview = "0.3.0-alpha.14"
  byteorder = "1.2.7"
  clap = "2.32.0"
  log = "0.4.3"
  simple_logger = "0.5.0"
  lazy_static = "1.2.0"
  num-traits = "0.2"
  num-derive = "0.2"
  bytes = "0.4.12"

My source is on the order of ~1000 lines of (non-trivial) code and has 17 instances of 'async fn' and 23 instances of 'await!(...)'.

Nightly 2018, --release, the resulting .exe is 990 KiB.

[The_rationalist]

And that is without stripping