gistfile1.txt

$ l
config.rkt  eval.rkt  main.rkt  network.rkt  parser.rkt  README.md
$ raco exe main.rkt
$ ./main 
standard-module-name-resolver: collection not found
  collection: "racket/match"
  in collection directories:
  context...:
   standard-module-name-resolver
   #%embedded:g1705:parser: [running body]
   #%embedded:g1691:network: [traversing imports]
   #%embedded:g1677:eval: [traversing imports]
   #%mzc:main: [traversing imports]
   loop
$