Brummel
a8c29d130b
New top-level experiments/2026-05-12-cross-model-authoring/ (out of
root Cargo workspace; nested-crate standalone via empty [workspace]
table per Cargo idiom). The renderer projects one canonical
master/spec.md into two form-specific files (rendered/json.md and
rendered/ailx.md) by walking three directive forms ({form-only:
json}, {form-only: ailx}, {example: <id>}) and emitting per-example
fenced blocks sourced from 13 curated .ail.json fixtures.
Four test gates green (10/10 total):
- splitter_unit (7) — directive parser, malformed inputs panic
- spec_completeness (1) — AST-variant visitor lifted verbatim from
schema_coverage.rs; 34/34 variants covered by the curated subset
- example_roundtrip (1) — every fixture roundtrips through
ailang_surface::{print, parse} to identical canonical bytes
- token_balance (1) — form-only block totals balanced to 3.22% under
tiktoken-rs::cl100k_base (gate is ±5%)
Six of the 34 variants did not have a dedicated fixture topic in the
plan and were absorbed into the closest existing fixture per the
plan's Step 4.14 escape hatch (Let/Clone → fn_calls_prelude; LetRec
→ data_with_match; If → match_literal_pattern; ReuseAs →
data_simple; Const → floats). Surfaced as a journal note, not a
plan revision.
Two ancillary additions vs. plan, both structural Cargo necessities,
spec-compatible: render/Cargo.toml carries an empty [workspace] table
so the nested crate refuses parent-workspace discovery, and
render/.gitignore drops /target + Cargo.lock. Both surfaced inline
in the per-iter journal's Concerns section.
cma.2 (harness) and cma.3 (live IONOS run + DESIGN.md addendum +
journal + roadmap edits) remain out of scope per the spec.
71 lines
2.0 KiB
JSON
71 lines
2.0 KiB
JSON
{
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"schema": "ailang/v0",
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"name": "match_literal_pattern",
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"imports": [],
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"defs": [
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{
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"kind": "fn",
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"name": "classify",
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"doc": "Classify an Int via literal patterns plus a wildcard fallback. Exercises PatternLit and PatternWild.",
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"type": {
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"k": "fn",
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"params": [ { "k": "con", "name": "Int" } ],
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"ret": { "k": "con", "name": "Int" },
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"effects": []
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},
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"params": ["n"],
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"body": {
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"t": "match",
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"scrutinee": { "t": "var", "name": "n" },
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"arms": [
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{
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"pat": { "p": "lit", "lit": { "kind": "int", "value": 0 } },
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"body": { "t": "lit", "lit": { "kind": "int", "value": 100 } }
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},
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{
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"pat": { "p": "wild" },
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"body": { "t": "lit", "lit": { "kind": "int", "value": 200 } }
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}
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]
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}
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},
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{
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"kind": "fn",
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"name": "sign_if",
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"doc": "Return -1 / 0 / 1 for the sign of n using nested TermIf. Exercises TermIf in both then/else positions plus TermApp on the polymorphic comparison.",
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"type": {
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"k": "fn",
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"params": [ { "k": "con", "name": "Int" } ],
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"ret": { "k": "con", "name": "Int" },
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"effects": []
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},
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"params": ["n"],
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"body": {
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"t": "if",
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"cond": {
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"t": "app",
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"fn": { "t": "var", "name": "<" },
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"args": [
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{ "t": "var", "name": "n" },
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{ "t": "lit", "lit": { "kind": "int", "value": 0 } }
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]
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},
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"then": { "t": "lit", "lit": { "kind": "int", "value": -1 } },
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"else": {
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"t": "if",
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"cond": {
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"t": "app",
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"fn": { "t": "var", "name": "==" },
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"args": [
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{ "t": "var", "name": "n" },
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{ "t": "lit", "lit": { "kind": "int", "value": 0 } }
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]
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},
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"then": { "t": "lit", "lit": { "kind": "int", "value": 0 } },
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"else": { "t": "lit", "lit": { "kind": "int", "value": 1 } }
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}
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}
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}
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]
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}
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