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core: #inst instant values + syntax-quote literal collapse (spec 2.3/2.4)

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#inst (jolt-rnh): an instant is an immutable tagged struct
{:jolt/type :jolt/inst :ms <epoch-millis>} — equality and map-key hashing by
INSTANT, so different offsets denoting the same moment are =. The reader
parses RFC3339 with Clojure's partial-timestamp defaults (#inst "2020" is
2020-01-01T00:00:00.000Z) and errors on malformed input; inst?/inst-ms in
the overlay; pr-str prints the canonical
#inst "yyyy-MM-ddThh:mm:ss.fff-00:00" and round-trips; str gives the bare
RFC3339 string. Self-evaluating in the evaluator (like uuid/chars).

Syntax-quote (jolt-l2a): a syntax-quoted self-evaluating literal (string,
number, boolean, nil, keyword, char) collapses to the literal at READ time,
matching Clojure's reader — so nested/adjacent backticks over literals are
inert: (= "meow" ```"meow") is true (jank pass-adjacent). Symbols still
qualify and collections still template. General nested syntax-quote over
non-literals remains UNVERIFIED in spec S25.

Tests: inst-spec (18 cases incl. partial defaults, offsets, round-trip),
+10 literal-collapse reader rows, +5 conformance rows (321x3). Spec
02-reader S20/S25 updated to normative. Suite stable 4470/86.
This commit is contained in:
Yogthos 2026-06-10 12:19:23 -04:00
parent 094152a8c3
commit e58be2fbd2
10 changed files with 169 additions and 17 deletions
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8
docs/spec/coverage.md
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@ -7,8 +7,8 @@ community examples). jolt interns 550 of them.
| Status | Count | Meaning |
|---|---|---|
| implemented+tested | 397 | in jolt and exercised by spec/conformance |
| implemented-untested | 153 | in jolt, no direct test — spec entries will add them |
| implemented+tested | 399 | in jolt and exercised by spec/conformance |
| implemented-untested | 151 | in jolt, no direct test — spec entries will add them |
| resolvable-not-interned | 22 | works in code but invisible to ns introspection (conformance finding) |
| missing-portable | 19 | portable semantics, jolt lacks it — implementation gap |
| special-form | 13 | specified in §3, not a library var |
@ -345,9 +345,9 @@ UNVERIFIED field; that column will be added as entries land.
| `indexed?` | implemented+tested | ✓ |
| `infinite?` | implemented+tested | ✓ |
| `init-proxy` | implemented-untested | ✓ |
| `inst-ms` | implemented-untested | ✓ |
| `inst-ms` | implemented+tested | ✓ |
| `inst-ms*` | missing-portable | |
| `inst?` | implemented-untested | ✓ |
| `inst?` | implemented+tested | ✓ |
| `instance?` | implemented+tested | ✓ |
| `int` | implemented+tested | ✓ |
| `int-array` | implemented-untested | ✓ |