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mal/impls/picolisp/readline.l
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

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(de load-history (File)
(when (info File)
(in File
(until (eof)
(native "libreadline.so" "add_history" NIL (line T)) ) ) ) )
(de save-to-history (Input)
(when Input
(native "libreadline.so" "add_history" NIL Input)
(out "+.mal_history"
(prinl Input) ) ) )
(de readline (Prompt)
(let Input (native "libreadline.so" "readline" 'N Prompt)
(if (=0 Input)
0
(prog1
(struct Input 'S)
(save-to-history @) ) ) ) )