+| args.version
+ # stdin = stdin
+ <<< "main 0.1 (17 march 2016)\n"
+ <<< "Copyright Pim Jager and Mart Lubbers\n"
+ = snd $ fclose stdin w
+| args.help
+ # stdin = stdin
+ <<< "Usage: " <<< args.program <<< " [OPTION] [FILE]\n"
+ <<< "Lex parse and either FILE or stdin\n"
+ <<< "\n"
+ <<< "Options:\n"
+ <<< " --help Show this help\n"
+ <<< " --version Show the version\n"
+ <<< " --[no-]lex Lexer output(default: disabled)\n"
+ <<< " --[no-]parse Parser output(default: enabled)\n"
+ = snd $ fclose stdin w