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Honor *print-length* / *print-level* / *default-data-reader-fn*

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Both printers (jolt-pr-str, jolt-pr-readable) now thread a print depth and
read the two limit vars. *print-length* truncates each collection to N
elements + "...", walking seqs lazily so an infinite seq prints under the
limit without realizing it. *print-level* renders a collection at depth >=
the level as "#". The reader consults *default-data-reader-fn* for an
unregistered #tag before falling back (tagged form on the data seam, throw
on the edn seam). All three interned with nil defaults.
This commit is contained in:
Yogthos 2026-06-26 19:04:42 -04:00
parent a9ecae9a29
commit 331a41ee26
6 changed files with 144 additions and 50 deletions
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12
docs/spec/coverage.md
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@ -3,16 +3,16 @@
Generated 2026-06-26 by `tools/spec_coverage.py` — do not edit by hand.
Surface: **694** clojure.core vars (ClojureDocs export; 648 with
community examples). jolt interns 591 of them.
community examples). jolt interns 594 of them.
| Status | Count | Meaning |
|---|---|---|
| implemented+tested | 587 | in jolt and exercised by spec/conformance |
| implemented+tested | 590 | in jolt and exercised by spec/conformance |
| implemented-untested | 4 | in jolt, no direct test — spec entries will add them |
| resolvable-not-interned | 0 | works in code but invisible to ns introspection (conformance finding) |
| missing-portable | 0 | portable semantics, jolt lacks it — implementation gap |
| special-form | 16 | specified in §3, not a library var |
| dynamic-var | 14 | classification needed: portable default vs host-dependent |
| dynamic-var | 11 | classification needed: portable default vs host-dependent |
| agents-taps | 16 | out of scope pending concurrency design note |
| stm-refs | 11 | out of scope pending concurrency design note |
| jvm-specific | 46 | catalogued, not specified |
@ -39,7 +39,7 @@ UNVERIFIED field; that column will be added as entries land.
| `*compile-path*` | dynamic-var | ✓ |
| `*compiler-options*` | dynamic-var | ✓ |
| `*data-readers*` | implemented+tested | ✓ |
| `*default-data-reader-fn*` | dynamic-var | ✓ |
| `*default-data-reader-fn*` | implemented+tested | ✓ |
| `*e` | implemented+tested | ✓ |
| `*err*` | implemented+tested | ✓ |
| `*file*` | implemented-untested | ✓ |
@ -50,8 +50,8 @@ UNVERIFIED field; that column will be added as entries land.
| `*ns*` | implemented+tested | ✓ |
| `*out*` | implemented+tested | ✓ |
| `*print-dup*` | implemented+tested | ✓ |
| `*print-length*` | dynamic-var | ✓ |
| `*print-level*` | dynamic-var | ✓ |
| `*print-length*` | implemented+tested | ✓ |
| `*print-level*` | implemented+tested | ✓ |
| `*print-meta*` | implemented+tested | ✓ |
| `*print-namespace-maps*` | implemented-untested | ✓ |
| `*print-readably*` | implemented+tested | ✓ |