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Orkuncakilkaya ab0b84b87e feat(lang): 27.3 - a reducer on a table's row: reducer T in S.table on A, @Target, Row<T>, @RowVerb, @Column 
An action names one row of a ludic.base Table<T> by its handle, in a field marked @Target, and
`reducer Deer in Herd.deer on Spook(r: mut Row<Deer>, n: Noise, a: Spook)` runs once, for that row
alone (the table may sit down a path, S.w.tab). The drain resolves the handle (tb_row) and hands the
reducer a Row<T> - new in ludic.base: tb, row, h, rec - that the queue keeps, one per row reducer,
filled in place, so a targeted action allocates nothing; a stale handle runs nothing, and
LUDIC_ACTIONS_LOG=1 prints a line for it (@alloc_ok). Row reducers order among an action's by their
state's name, then the table's path.

Checked at compile time (actions_rows.ludic): the row reaches r.rec and r.h only - r.tb / r.row
refused, the view never assigned, stored, copied or handed on except to a @RowVerb (a function of
the record's own module taking Row<T> first; any other function taking a row is refused); a field
marked @Column (a table column mirrors it) is not written through r.rec; only the module owning the
state declares a row reducer; one @Target, an int, per action; the states between the row and the
action are read. `mut` is allowed on a Row<T> parameter.

ludic schema's code section gains row_reducers (record, table, state, action, target, predicted,
net, module, at) and row_verbs (name, record, module, at), and every action its target; row
reducers are left out of `reducers`. ludic deps and ludic-lsp name a row reducer
`reducer Deer in Herd.deer on Spook`. vocab: @Target, @Column, @RowVerb; docs/language pages;
LANGUAGE.md "A reducer on a row"; examples actions/rows and ten rejects; test.ludic feat, reject and
schema cases (not run); changes/row-reducers.md. Reseeded; bootstrap-cfree fixpoint holds (307497
lines); Maroon Lake's `ludic build --check` is clean against this tree.

Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com>
2026-09-30 16:14:59 +03:00
..
angle feat(engine): #90 atlas-aware Sprite component, #91 become from listeners, 0.3.x ergonomics batch 2026-09-04 01:36:08 +03:00
anim feat(compiler): list literals, typed compound assignment, file:line diagnostics 2026-09-05 01:12:16 +03:00
annotations feat(lang): 27.3 - a reducer on a table's row: reducer T in S.table on A, @Target, Row<T>, @RowVerb, @Column 2026-09-30 16:14:59 +03:00
app docs(0.S): the doc fences migrated by ludic migrate state; LANGUAGE.md's state section says what the tool and the checker do now; no module-level var left in the docs 2026-09-25 15:37:29 +03:00
assets feat(lang): L4 type checker between parse and emit 2026-09-24 01:34:49 +03:00
audio feat: per-voice audio, outlines for what is not an actor, and a coast 2026-09-11 15:25:46 +03:00
base64 feat(stdlib): Tiled P0 — XML reader + base64 decode + gzip framing (#67) 2026-09-01 14:04:49 +03:00
bigint feat(types): BigInt + Decimal exact economy numbers (#52) 2026-08-31 18:45:14 +03:00
builtins docs(0.S): the doc fences migrated by ludic migrate state; LANGUAGE.md's state section says what the tool and the checker do now; no module-level var left in the docs 2026-09-25 15:37:29 +03:00
camera feat(engine): #90 atlas-aware Sprite component, #91 become from listeners, 0.3.x ergonomics batch 2026-09-04 01:36:08 +03:00
clock feat(stdlib): DateTime format/parse + simulated Clock — completes #9 2026-08-30 03:51:48 +03:00
collision feat(engine): 2D collision / physics-lite — Body + Collider + esys_move (#65) 2026-09-01 13:17:36 +03:00
color feat(stdlib): namespaced standard library (issue #2) 2026-08-30 00:26:19 +03:00
colors docs: add Networking section + process/OS builtins (net_send, owner, is_server, serialize/apply, arg, exit, run, getenv, read_char, file_*) 2026-08-29 16:39:29 +03:00
control docs/language: a page for every keyword and attribute the vocabulary has 2026-09-29 23:59:47 +03:00
crypto feat(stdlib): finish Crypto (CSPRNG + base64) and add Uuid.* library (#19 #16) 2026-08-30 21:40:51 +03:00
date feat(stdlib): Time/Date/Duration calendar-clock core (issue #9) 2026-08-30 03:37:38 +03:00
datetime feat(stdlib): DateTime format/parse + simulated Clock — completes #9 2026-08-30 03:51:48 +03:00
decimal feat(types): BigInt + Decimal exact economy numbers (#52) 2026-08-31 18:45:14 +03:00
dict feat(types): Dict + Set string-keyed containers (#54) 2026-08-31 18:51:42 +03:00
duration feat(stdlib): Time/Date/Duration calendar-clock core (issue #9) 2026-08-30 03:37:38 +03:00
ease feat(stdlib): Math.exp/log/pow + Ease.elastic transcendentals (issue #25) 2026-08-30 01:19:44 +03:00
ecs docs/language: a page for every keyword and attribute the vocabulary has 2026-09-29 23:59:47 +03:00
events docs(0.S): the doc fences migrated by ludic migrate state; LANGUAGE.md's state section says what the tool and the checker do now; no module-level var left in the docs 2026-09-25 15:37:29 +03:00
file feat(engine): #90 atlas-aware Sprite component, #91 become from listeners, 0.3.x ergonomics batch 2026-09-04 01:36:08 +03:00
font docs(0.S): the doc fences migrated by ludic migrate state; LANGUAGE.md's state section says what the tool and the checker do now; no module-level var left in the docs 2026-09-25 15:37:29 +03:00
fs feat(tools): L10 ludic-fmt enforces a project's style 2026-09-24 14:38:35 +03:00
fx feat(engine): #90 atlas-aware Sprite component, #91 become from listeners, 0.3.x ergonomics batch 2026-09-04 01:36:08 +03:00
gl docs(0.S): the doc fences migrated by ludic migrate state; LANGUAGE.md's state section says what the tool and the checker do now; no module-level var left in the docs 2026-09-25 15:37:29 +03:00
grid feat(stdlib): add Grid.* — tile geometry + A* pathfinding over the tilemap (#24) 2026-08-31 12:36:12 +03:00
hash feat(compiler): list literals, typed compound assignment, file:line diagnostics 2026-09-05 01:12:16 +03:00
http Http.text and Http.header return copies - they handed back the handle's own buffer (and on macOS the response's string), which Http.free released: a text read before the free and used after it was garbage or empty (maroon-lake's maps.json was written with 0 bytes) 2026-09-29 20:57:44 +03:00
huge feat(types): Huge + Angle + Percent polish numeric types (#55) 2026-08-31 19:04:37 +03:00
input feat(tools): L10 ludic-fmt enforces a project's style 2026-09-24 14:38:35 +03:00
ivec2 feat(engine): #90 atlas-aware Sprite component, #91 become from listeners, 0.3.x ergonomics batch 2026-09-04 01:36:08 +03:00
job feat(compiler): a Job.parallel_for worker may read a state but not change one 2026-09-27 22:04:59 +03:00
json runtime: Json.write_file, and Json.encode through a kept buffer 2026-09-28 15:32:36 +03:00
light feat(compiler): list literals, typed compound assignment, file:line diagnostics 2026-09-05 01:12:16 +03:00
list docs(0.S): the doc fences migrated by ludic migrate state; LANGUAGE.md's state section says what the tool and the checker do now; no module-level var left in the docs 2026-09-25 15:37:29 +03:00
log feat(stdlib): add Log.* — levelled, structured logging (#15) 2026-08-30 21:57:22 +03:00
map feat(engine): #90 atlas-aware Sprite component, #91 become from listeners, 0.3.x ergonomics batch 2026-09-04 01:36:08 +03:00
math docs(0.S): the doc fences migrated by ludic migrate state; LANGUAGE.md's state section says what the tool and the checker do now; no module-level var left in the docs 2026-09-25 15:37:29 +03:00
memory refactor(lang): rename the ptr/ptrs types to pointer/pointers 2026-08-30 01:58:54 +03:00
mime feat(stdlib): add Fs.* / Path.* / Mime.* — filesystem, paths, content types (#10) 2026-08-30 22:43:50 +03:00
motion feat(anim): animation ergonomics — named clips, Anim.play/Motion.to, frame events, fluent Tween handles (#48) 2026-08-31 16:53:16 +03:00
network docs: merge duplicate networking namespace dirs; guard against recurrence 2026-08-30 16:46:21 +03:00
noise feat(stdlib): add Noise.* — deterministic fixed-point procedural noise (#3) 2026-08-30 21:50:50 +03:00
operators docs/language: a page for every keyword and attribute the vocabulary has 2026-09-29 23:59:47 +03:00
os Os.heap_bytes: the heap without the renderer; string_temps reads it 2026-09-28 12:31:42 +03:00
path feat(stdlib): add Fs.* / Path.* / Mime.* — filesystem, paths, content types (#10) 2026-08-30 22:43:50 +03:00
percent feat(types): Huge + Angle + Percent polish numeric types (#55) 2026-08-31 19:04:37 +03:00
phases docs(0.S): the doc fences migrated by ludic migrate state; LANGUAGE.md's state section says what the tool and the checker do now; no module-level var left in the docs 2026-09-25 15:37:29 +03:00
pool feat(ecs): #80 entity-pool stats (Pool.live/free/reserved/capacity) 2026-09-02 08:23:58 +03:00
prefab feat(engine): #90 atlas-aware Sprite component, #91 become from listeners, 0.3.x ergonomics batch 2026-09-04 01:36:08 +03:00
process docs(0.S): the doc fences migrated by ludic migrate state; LANGUAGE.md's state section says what the tool and the checker do now; no module-level var left in the docs 2026-09-25 15:37:29 +03:00
promise feat(stdlib): Jobs, Promises & opt-in Sync concurrency (#14) 2026-09-01 03:32:31 +03:00
query feat(stdlib): add Query.* — ECS spatial queries over the reflection ABI (#42) 2026-08-31 13:19:25 +03:00
random fix(runtime): Random.* in any program; value_* called directly brings the value tree 2026-09-25 04:59:48 +03:00
rect feat(types): IVec2 + Rect 2D value types (#1) 2026-08-31 18:29:41 +03:00
reflect feat(reflect): generic value tree + Reflect.serialize/apply + JSON bridge (#44) 2026-08-31 15:19:21 +03:00
regex feat(stdlib): add Regex.* — a linear-time regular-expression engine (#18) 2026-08-31 12:23:19 +03:00
save feat(stdlib): namespaced standard library (issue #2) 2026-08-30 00:26:19 +03:00
scenes docs/language: a page for every keyword and attribute the vocabulary has 2026-09-29 23:59:47 +03:00
screen docs(0.S): the doc fences migrated by ludic migrate state; LANGUAGE.md's state section says what the tool and the checker do now; no module-level var left in the docs 2026-09-25 15:37:29 +03:00
set feat(types): Dict + Set string-keyed containers (#54) 2026-08-31 18:51:42 +03:00
sprite feat(engine): #90 atlas-aware Sprite component, #91 become from listeners, 0.3.x ergonomics batch 2026-09-04 01:36:08 +03:00
structure feat(lang): 27.3 - a reducer on a table's row: reducer T in S.table on A, @Target, Row<T>, @RowVerb, @Column 2026-09-30 16:14:59 +03:00
sync feat(jobs): real OS threads - Job.parallel_for, fn name, thread-safe Sync 2026-09-15 13:52:22 +03:00
system refactor(stdlib): consolidate System.* onto Os.*, retire duplicated members 2026-08-30 22:54:28 +03:00
testing refactor(cli)!: split the contributor tool out of the ludic CLI 2026-09-05 23:15:12 +03:00
text docs(0.S): the doc fences migrated by ludic migrate state; LANGUAGE.md's state section says what the tool and the checker do now; no module-level var left in the docs 2026-09-25 15:37:29 +03:00
tiled feat(stdlib): Tiled P6 — infinite/chunked maps, .world stitching, base64+zstd (#74) 2026-09-01 16:07:10 +03:00
time feat(tools): L10 ludic-fmt enforces a project's style 2026-09-24 14:38:35 +03:00
tween feat(anim): animation ergonomics — named clips, Anim.play/Motion.to, frame events, fluent Tween handles (#48) 2026-08-31 16:53:16 +03:00
types Merge lang/i18nkeys (27024de) into lang/syntax: the vocabulary gains the text keys - the Key type, @TextKey (a registry's), the k"..." and kn"..." literals - and @Text's doc; docs/language pages for Key and @TextKey; ludic-dev syntax rewrote the grammars; reseeded, bootstrap-cfree fixpoint holds 2026-09-30 00:02:48 +03:00
udp Udp.open_local(port): a socket bound to 127.0.0.1 alone (udp.ll, udp_win.ll), for a port only this machine's tools reach - a dev link - where Udp.open binds every interface 2026-09-29 19:15:30 +03:00
ui feat(engine): #90 atlas-aware Sprite component, #91 become from listeners, 0.3.x ergonomics batch 2026-09-04 01:36:08 +03:00
unicode feat(stdlib): add Unicode.* — UTF-8 code points, graphemes, case mapping (#13) 2026-08-30 22:29:00 +03:00
uuid feat(stdlib): finish Crypto (CSPRNG + base64) and add Uuid.* library (#19 #16) 2026-08-30 21:40:51 +03:00
value fix(runtime): Random.* in any program; value_* called directly brings the value tree 2026-09-25 04:59:48 +03:00
vector feat(stdlib): 2D Vector type + Vector.* namespace (issue #25) 2026-08-30 02:09:38 +03:00
vk feat(vk): Vk.* - Vulkan 1.0-1.4 generated from the registry, loaded at run time 2026-09-15 09:52:12 +03:00
world feat(input,ecs): #79 Input.axis_i directional int + #84 world bounds 2026-09-02 07:44:41 +03:00
xml feat(stdlib): Tiled P0 — XML reader + base64 decode + gzip framing (#67) 2026-09-01 14:04:49 +03:00