Files
AILang/examples/fieldtest/floats_4_float_to_str_reach.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

27 lines
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; Fieldtest — Floats milestone, axis 4: reach for float_to_str.
;
; Natural task: build a label like "result = <float>" by concatenating
; a Str prefix with the float's text. The LLM-author who looks at
; `ail builtins` sees `float_to_str : (Float) -> Str`, reaches for it,
; and gets a codegen-deferred error per DESIGN.md §"Float semantics":
;
; `float_to_str` (Float → Str) is type-installed but codegen-
; deferred to a follow-up milestone: ... Calling it typechecks but
; produces a structured `CodegenError::Internal`.
;
; This fixture pins the reach-and-bounce. Expected: `ail check`
; succeeds; `ail build` fails with a clear, structured codegen error
; that names `float_to_str` and points at the missing runtime path.
;
; (No string-concat builtin exists either; we just print the result of
; float_to_str directly via io/print_str. The first failure point is
; codegen, before any concat would be needed.)
(module floats_4_float_to_str_reach
(fn main
(type (fn-type (params) (ret (con Unit)) (effects IO)))
(params)
(body
(do io/print_str (app float_to_str 3.14)))))