pi@raspberrypi:~/nim $ e test.nim

1 import streams
2 import parsecfg
3
4 let filename = "/home/pi/nim/config.ini"
5 let file = filename.open()
6 let filestream = file.newFileStream()
7 var p: CfgParser
8 p.open(filestream, filename)
9 echo p.filename

pi@raspberrypi:~/nim $ e test.nim
pi@raspberrypi:~/nim $ nim-0.17.2/bin/nim c --opt:speed test.nim
Hint: used config file '/home/pi/nim/nim-0.17.2/config/nim.cfg' [Conf]
Hint: system [Processing]
Hint: test [Processing]
Hint: streams [Processing]
Hint: parsecfg [Processing]
Hint: hashes [Processing]
Hint: strutils [Processing]
Hint: parseutils [Processing]
Hint: math [Processing]
Hint: algorithm [Processing]
Hint: lexbase [Processing]
Hint: tables [Processing]
test.nim(9, 7) Error: undeclared field: 'filename'