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mal/impls/tests/lib/load-file-once.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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(def! counter (atom 0))
;=>(atom 0)
;; The counter is increased by each `load-file`.
(load-file "../tests/lib/load-file-once-inc.mal")
;=>nil
@counter
;=>1
(load-file "../tests/lib/load-file-once-inc.mal")
;=>nil
@counter
;=>2
;; load-file-once is available
(load-file "../lib/load-file-once.mal")
;=>nil
;; First import actually calls `load-file`.
(load-file-once "../tests/lib/load-file-once-inc.mal")
;=>nil
@counter
;=>3
;; Later imports do nothing.
(load-file-once "../tests/lib/load-file-once-inc.mal")
;=>nil
@counter
;=>3
;; Loading the module twice does not reset its memory.
(load-file "../lib/load-file-once.mal")
;=>nil
(load-file-once "../tests/lib/load-file-once-inc.mal")
;=>nil
@counter
;=>3
;; even if done with itself
(load-file-once "../lib/load-file-once.mal")
;=>nil
(load-file-once "../tests/lib/load-file-once-inc.mal")
;=>nil
@counter
;=>3