Solution for protohackers.com in various programming languages.
Build binaris (only for compiled language) for the server.
make
Test the server.
make test PROBLEM=0 SERVER=go SERVER_ARGS='127.0.0.1:9999'
where PROBLEM is protohackers.com problem number, SERVER is the
programming language the server is written with, and SERVER_ARGS is args to
run the server.
make run PROBLEM=0 SERVER=zig SERVER_ARGS='127.0.0.1:9999'