zig 8.0 examples
tcpserver.zig example from Andy Kelly's talk in https://events.redislabs.com/sessions/modeling-data-concurrency-asynchronous-o-zig/. revised and tested with zig 8.0.
compiling: zig build
cross compiling for Linux: zig build -Dtarget=x86_64-linux
terminal 1: ./tcpserver warning: listening at 127.0.0.1:65356
terminal 2: nc 127.0.0.1 65356
go implementation: https://github.com/mactsouk/opensource.com/blob/master/concTCP.go