72e54f4fd3
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.
31 lines
893 B
Plaintext
31 lines
893 B
Plaintext
; Iter 16a — first program to use a nested constructor pattern.
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; Without this iter, the inner `(pat-ctor Cons b _)` would be
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; rejected by the checker as `nested-ctor-pattern-not-allowed`.
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(module nested_pat
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(import std_list)
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(fn first_two_sum
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(doc "Sum of the first two elements of an Int list, or 0 if shorter than two.")
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(type
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(fn-type
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(params (con std_list.List (con Int)))
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(ret (con Int))))
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(params xs)
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(body
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(match xs
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(case (pat-ctor Cons a (pat-ctor Cons b _))
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(app + a b))
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(case _ 0))))
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(fn main
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(type (fn-type (params) (ret (con Unit)) (effects IO)))
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(params)
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(body
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(do io/print_int (app first_two_sum
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(term-ctor std_list.List Cons 10
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(term-ctor std_list.List Cons 20
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(term-ctor std_list.List Cons 30
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(term-ctor std_list.List Nil)))))))))
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