Files
AILang/examples/std_list_stress.ail
T
Brummel 72e54f4fd3 iter ext-rename: .ailx → .ail across the live toolchain
The surface-form file extension changes from .ailx to .ail. AILang's
authoring surface now uses the same .ail stem as its canonical JSON
form (.ail.json), giving the language a single coherent extension
family: .ail is the LLM-authored Form A, .ail.json is the canonical
JSON-AST Form B.

Scope (touched):
- 61 example renames examples/**/*.ailx → .ail (git mv)
- 1 rename experiments/.../rendered/ailx.md → ail.md
- 35 content-edited live-toolchain files (crates/, docs/DESIGN.md,
  docs/roadmap.md, docs/PROSE_ROUNDTRIP.md, skills/, bench/reference/*.c,
  experiment crates under experiments/.../{render,harness,master})
- Experiment-crate cohort rename Cohort::Ailx → Cohort::Ail,
  Form::Ailx → Form::Ail, per_cohort/ailx → per_cohort/ail,
  {form-only: ailx} → {form-only: ail}, ```ailx → ```ail

Out of scope (deliberately untouched, to preserve honest history):
- docs/journal-archive.md (content-frozen per CLAUDE.md)
- docs/journals/, docs/specs/, docs/plans/, bench/orchestrator-stats/
- experiments/.../runs/ (frozen LLM-output artefacts; models actually
  saw .ailx — renaming would falsify the experimental record)

Verification: cargo build/test --workspace green; experiment crate
cargo test green; bench/check.py + compile_check.py + cross_lang.py
all 0-regressed; negative grep for ailx|Ailx|AILX outside the
out-of-scope paths returns zero matches.

Opens immediate follow-up: roadmap.md P2 todo `ail check`/build/run
accept .ail extension — after this rename, .ail is canonical
authoring surface but the CLI still produces a misleading JSON-parse
error on `ail check foo.ail`. That's the next iter.
2026-05-12 14:20:27 +02:00

42 lines
1.4 KiB
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; Iter 15c — empirical stress test for std_list's folds.
; Builds a 1000-element list [1000, 999, ..., 1] and folds it with
; both fold_left (tail-marked, should run in constant stack via
; `musttail call` lowering) and fold_right (constructor-blocked,
; runs at ~1000-deep stack — well within an 8MB Linux stack budget).
; Expected stdout: two lines, each `500500` (sum 1..1000 = 500500).
(module std_list_stress
(import std_list)
(fn build
(doc "Build [n, n-1, ..., 1] :: std_list.List Int via Cons recursion. Constructor-blocked; not tail.")
(type
(fn-type
(params (con Int))
(ret (con std_list.List (con Int)))))
(params n)
(body
(if (app == n 0)
(term-ctor std_list.List Nil)
(term-ctor std_list.List Cons
n
(app build (app - n 1))))))
(fn add
(doc "Binary +. Used as the fold accumulator op for both fold_left and fold_right.")
(type
(fn-type
(params (con Int) (con Int))
(ret (con Int))))
(params a b)
(body (app + a b)))
(fn main
(doc "Build a 1000-element list, fold it both ways, print both sums (each 500500).")
(type (fn-type (params) (ret (con Unit)) (effects IO)))
(params)
(body
(seq (do io/print_int (app std_list.fold_left add 0 (app build 1000)))
(do io/print_int (app std_list.fold_right add 0 (app build 1000)))))))