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jolt/test/spec
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Yogthos e2e189acfe Phase 5: true laziness — lazy transformers + deadlined harness 
jolt-c09 (partial, Steps 0–2d complete).

Lazy combinator layer (Step 1):
- lazy-cons: build a LazySeq cell from val + rest-thunk (phm.janet)
- lazy-from: coerce any seqable to lazy view without forcing (core.janet)
- core-seq: check ls-first emptiness, not ls-seq realization (core.janet)

Lazy transformers (Steps 2a–2d):
Converted in Janet core.janet (lazy branches preserving transducer arities):
  drop-while, interpose, distinct, partition, partition-all,
  keep, keep-indexed, map-indexed, take-nth

Moved to Clojure overlay (jolt-core):
  interleave (20-coll.clj) — lazy multi-arity, matches Clojure
  mapcat (10-seq.clj) — transducer arity + standard (apply concat (apply map f colls))

Safety net (Step 0):
  test/support/lazy-eval.janet — subprocess worker for Clojure eval
  test/integration/lazy-infinite-test.janet — deadlined harness (os/spawn + 5s)

Multi-input map/mapcat tests (Step 2d):
  sequences-spec.janet +9 tests, verified against Clojure/CLJS references

Gates:
  lazy-infinite: 18/18 (mapcat on infinite inputs hangs — apply forces, needs Step 4)
  conformance: 229/229 ×3 (interpret/compile/self-host)
  specs: 32/32 files, 0 failures
2026-06-08 00:40:56 -04:00
..
control-flow-spec.janet core: move for to the syntax tier (and fix multi-group :when) 2026-06-07 16:55:21 -04:00
core-async-spec.janet feat: core.async Phase 3 — channel transducers + dropping/sliding buffers 2026-06-05 15:40:24 -04:00
destructuring-spec.janet core: move destructure from the Janet seed to the Clojure overlay 2026-06-07 19:39:06 -04:00
exceptions-spec.janet core: Phase 4 — move ex-data/ex-message/ex-cause to the overlay 2026-06-07 20:17:03 -04:00
functions-spec.janet test(spec): control-flow, functions, destructuring — fix loop destructuring 2026-06-05 00:16:15 -04:00
futures-spec.janet feat: futures on real OS threads (ev/thread) 2026-06-05 20:00:11 -04:00
host-interop-spec.janet core: Phase 4 — move ns-name and the array reads/aset to the overlay 2026-06-07 21:52:13 -04:00
lazy-seqs-spec.janet test: fold phase ports into spec; promote compile-mode test 2026-06-05 01:07:09 -04:00
lists-spec.janet test(spec): collections contract (sequences, vectors, lists, maps, sets) 2026-06-05 00:08:37 -04:00
macros-spec.janet core: move binding macro to overlay 2026-06-07 01:13:22 -04:00
maps-spec.janet test: lock in nil-valued map preservation (jolt-c7h) 2026-06-06 22:35:26 -04:00
metadata-spec.janet core: start Phase 4 — move vary-meta and namespace-munge to the overlay 2026-06-07 20:00:19 -04:00
multimethods-spec.janet test: fold phase ports into spec; promote compile-mode test 2026-06-05 01:07:09 -04:00
namespaces-spec.janet fix: catch binds unwrapped thrown value; var-set targets thread binding 2026-06-05 01:23:52 -04:00
nrepl-spec.janet feat(nrepl): nREPL server + client in Clojure on a Janet interop bridge 2026-06-05 21:25:23 -04:00
numbers-spec.janet feat(strictness): numeric ops reject non-numbers/non-integers like Clojure 2026-06-05 10:58:21 -04:00
predicates-spec.janet core: Phase 4 — move tagged-value predicates to the overlay 2026-06-07 20:24:24 -04:00
protocols-spec.janet test: fold phase ports into spec; promote compile-mode test 2026-06-05 01:07:09 -04:00
reader-syntax-spec.janet reader: one-char literals for non-symbol chars (\{ \( \, \%) 2026-06-06 00:10:17 -04:00
sequences-spec.janet Phase 5: true laziness — lazy transformers + deadlined harness 2026-06-08 00:40:56 -04:00
sets-spec.janet fix: value-semantics for collection keys/elements; set literals evaluate 2026-06-05 01:02:00 -04:00
state-spec.janet test: fold ported-clojure batteries into spec 2026-06-05 07:50:16 -04:00
strings-spec.janet core: start Phase 4 — move vary-meta and namespace-munge to the overlay 2026-06-07 20:00:19 -04:00
transducers-spec.janet fix: transducers/reduce short-circuit over infinite seqs via reduced 2026-06-05 09:18:35 -04:00
transients-spec.janet feat(strictness): subs validates bounds; assoc! bounds-checks vector index 2026-06-05 14:07:14 -04:00
truthiness-spec.janet test: fold ported-clojure batteries into spec 2026-06-05 07:50:16 -04:00
vectors-spec.janet compiler: IFn collections held in a var/local are callable (jolt-vh5) 2026-06-06 20:03:49 -04:00