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mal/impls/r/tests/step5_tco.mal
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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;; Test recursive non-tail call function
(def! sum-to (fn* (n) (if (= n 0) 0 (+ n (sum-to (- n 1))))))
(sum-to 10)
;=>55
;;; no try* yet, so test completion of side-effects
(def! res1 nil)
;=>nil
;;; For implementations without their own TCO this should fail and
;;; leave res1 unchanged
(def! res1 (sum-to 10000))
res1
;=>nil