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size: table-ize six constant ladders in get_native_module_constant (−27.8 KB code; hello __text < 4 MB) #6940

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Merged
proggeramlug merged 6 commits into from
Jul 29, 2026
Merged

size: table-ize six constant ladders in get_native_module_constant (−27.8 KB code; hello __text < 4 MB) #6940

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77b6f11
size: table-ize zlib constant ladder (172 entries, verbatim exprs, or…
Jul 28, 2026
46465f1
size: table-ize crypto/os-errno/os-signal/fs-tail/sqlite constant lad…
Jul 28, 2026
d43f4b6
changelog: constant-tables fragment
Jul 28, 2026
645929b
changelog: name fragment after PR (#6940)
Jul 28, 2026
cb99d6e
fix(size): regenerate constant tables with full cfg model — block pre…
Jul 29, 2026
d972304
fix(size): uniform f64 rows in constant tables (Windows fallback bloc…
Jul 29, 2026
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1 change: 1 addition & 0 deletions changelog.d/6940-const-tables.md
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**Code-shape series:** six constant match ladders in `get_native_module_constant` (zlib 172, os-errno 79, crypto 54, sqlite 45, os-signal 34, fs-tail 33 entries) converted to sorted static tables with binary search — value expressions and per-arm `#[cfg]` attributes preserved verbatim, cfg(unix)/cfg(windows) blocks mirrored as per-platform tables, and every original ladder kept as a test-only reference behind an exhaustive literal-universe oracle (which caught three extraction bugs during development: a hex-literal miss, per-arm cfg loss, and a dual-cfg dedup collision). `dns_const` stays dynamic (it allocates strings at runtime). The constants function family shrinks 46.7 → 18.9 KB; hello-world `__text` drops below 4 MB for the first time (3,976,748 bytes).
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