libghc-io-streams-haproxy-dev 1.0.1.0-3build2 (amd64 binary) in ubuntu hirsute

 HAProxy protocol version 1.5 support for applications using
 io-streams. The proxy protocol allows information about a networked
 peer (like remote address and port) to be propagated through a
 forwarding proxy that is configured to speak this protocol.
 .
 This package provides a library for the Haskell programming language.
 See http://www.haskell.org/ for more information on Haskell.