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mal/impls/nim/step1_read_print.nim
Joel Martin 8a19f60386 Move implementations into impls/ dir
- Reorder README to have implementation list after "learning tool"
  bullet.

- This also moves tests/ and libs/ into impls. It would be preferrable
  to have these directories at the top level.  However, this causes
  difficulties with the wasm implementations which need pre-open
  directories and have trouble with paths starting with "../../". So
  in lieu of that, symlink those directories to the top-level.

- Move the run_argv_test.sh script into the tests directory for
  general hygiene.
2020-02-10 23:50:16 -06:00

15 lines
311 B
Nim

import rdstdin, types, reader, printer
proc read(str: string): MalType = str.read_str
proc eval(ast: MalType): MalType = ast
proc print(exp: MalType): string = exp.pr_str
while true:
try:
let line = readLineFromStdin("user> ")
echo line.read.eval.print
except:
echo getCurrentExceptionMsg()