@@ -1,39 +1,17 @@
11use core::panic;
2−use murmur3::murmur3_32;
32use num_integer::Integer;
43use std::{
5− borrow::Borrow,
64 collections::BTreeMap,
7− iter::{once, repeat_n, zip},
5+ iter::{once, zip},
86 rc::Rc,
97};
108
119use crate::{
12− interpreter::{slam_pulled_gate, InterpreterContext, TTanks, EMPTY_TANKS},
13− noun::{self, cell, AsNoun, Atom, Edge, Hair, Nail, Noun},
10+ interpreter::{call_gate, InterpreterContext},
11+ noun::{self, cell, Atom, Noun},
1412};
1513
16−fn traverse_iter_result<E: Clone, T: Clone, I: Iterator<Item = Result<T, E>>>(
17− xs: I,
18−) -> Result<Vec<T>, E> {
19− let mut target: Vec<T> = Vec::new();
20−
21− for x in xs {
22− target.push(x.clone()?)
23− }
24−
25− Ok(target)
26−}
27−
2814pub type Jets = BTreeMap<noun::Hash, Jet>;
29−pub type DoubleJets = BTreeMap<noun::Hash, DoubleJet>;
30−
31−pub fn generate_double_jets() -> DoubleJets {
32− BTreeMap::from([
33− (210326504639957723220404138306543145797, JUST),
34− // (255213039400865122956425872354360738044, STIR),
35− ])
36−}
3715
3816pub fn generate_jets() -> Jets {
3917 BTreeMap::from([
@@ -61,110 +39,43 @@ pub fn generate_jets() -> Jets {
6139 (22365719601138689598430859488399820563, JOIN),
6240 (211253539934007667533839299235896640130, LENT),
6341 (104838119266193725126177792605193739824, LEVY),
64− (136665047491594821996133547576675424469, LIEN),
65− (134383540064775397895881415210519251023, MURN),
66− (206209714924463645290290379601675245373, REAP),
67− (266278769253331237088430651317345081031, REAR),
68− (146282575960509029931248602154898675358, REEL),
69− (218516926094890651045754335042357820192, ROLL),
70− (89970054366691388746503743197917964564, SCAG),
71− (68845187332605602565057027619381114427, SKID),
72− (51010231444191054729255601633316498529, SKIM),
73− (144878877047435484372311285666595397017, SKIP),
74− (22344664364706022641079203486385841813, SLAG),
75− (288515703007942177334798811660651439897, SNAG),
76− (322006565952434408151902864454572452802, SNIP),
77− (290837622185731774795798043954046795930, SNOC),
78− // (255402796382159268271460433298209603428, SORT),
79− (10111398404342329752608067595798409804, SPIN),
80− (209194119090564757355985847956576215234, SPUN),
81− (103985097318911737222583881947453560061, TURN),
82− (216618478373489138062093083914898130454, WELD),
83− (161636738411171172446435323238280743696, WELP),
84− (90634096513747887582230817128332929026, ZING),
85− (59352245691598674621226842217946522940, BEX),
86− (102718716366123785010912772034318125155, END),
87− (233905026649167301608240871123208487851, CAN),
88− (88906713429699361214497715048276521868, CAT),
89− (194217032002582779752566874231896746840, MET),
90− (132848439781269254342687684309700447927, CUT),
91− (184331043431916214773639930303095454137, FIL),
92− (104452959965816676316166435675758878521, LSH),
93− (84358434946425438379820219100952030132, RSH),
94− (49642221456321333759873032692286222867, RAP),
95− (92956425869648916777812729456192604084, REP),
96− (302196507237993702819920888576650809366, REV),
97− (111192034817574564051316537756194881830, RIP),
98− (194882429025651072335997865399571359986, RUN),
99− (52890757765966568893620799383929397067, RUT),
100− (189837220965666741450798472864087835815, SEW),
101− (122271149828189266412416527758198690539, SWP),
102− (315388312266248574424227833154020891850, XEB),
103− (26880808488368366377851132561579207892, CON),
104− (311027486926441687148059942599447850754, DIS),
105− (330927609077697663248483044495963838437, MIX),
106− (39579736615539990724554083585557839000, NOT),
107− (3482046397915506566435874021936376320, LAST),
108− (124976064672625230427889101290245200507, TRIP),
109− (4078279288073906183633157465551067635, MUK),
110− (261900159748071234702685239353558471892, MUG),
111− (198191257620924788695943358402651905954, AOR),
112− (299422828284010240628877806738195667652, DOR),
113− (166326796552601297695313176538120818632, GOR),
114− (7942398240152905363972500667649380756, MOR),
115− (315687984998079865981003916817293521765, LOOK),
11642 ])
11743}
11844
119−pub type Jet = fn(ctx: &mut InterpreterContext, &Rc<Noun>) -> Result<Rc<Noun>, TTanks>;
120−pub type DoubleJet = fn(ctx: &mut InterpreterContext, &Rc<Noun>, &Rc<Noun>) -> Option<Rc<Noun>>;
45+pub type Jet = fn(ctx: &InterpreterContext, Rc<Noun>) -> Rc<Noun>;
12146
122−static BINARY_ATOM: fn(&Rc<Noun>, fn(&Atom, &Atom) -> Atom) -> Result<Rc<Noun>, TTanks> =
123− |n: &Rc<Noun>, f: fn(&Atom, &Atom) -> Atom| {
124− let (p, q) = n.as_cell().ok_or(TTanks::new())?;
125− Ok(Rc::new(Noun::Atom(f(
126− p.as_atom().ok_or(TTanks::new())?,
127− q.as_atom().ok_or(TTanks::new())?,
128− ))))
47+static BINARY_ATOM: fn(Rc<Noun>, fn(&Atom, &Atom) -> Atom) -> Rc<Noun> =
48+ |n: Rc<Noun>, f: fn(&Atom, &Atom) -> Atom| {
49+ let Noun::Cell { p, q, .. } = (*n).clone() else {
50+ panic!()
51+ };
52+ Rc::new(Noun::Atom(f(p.as_atom().unwrap(), q.as_atom().unwrap())))
12953 };
13054
131−static BINARY_ATOM_LOOB: fn(
132− &InterpreterContext,
133− &Rc<Noun>,
134− fn(&Atom, &Atom) -> bool,
135−) -> Result<Rc<Noun>, TTanks> =
136− |ctx: &InterpreterContext, n: &Rc<Noun>, f: fn(&Atom, &Atom) -> bool| {
137− let (p, q) = n.as_cell().ok_or(TTanks::new())?;
55+static BINARY_ATOM_LOOB: fn(&InterpreterContext, Rc<Noun>, fn(&Atom, &Atom) -> bool) -> Rc<Noun> =
56+ |ctx: &InterpreterContext, n: Rc<Noun>, f: fn(&Atom, &Atom) -> bool| {
57+ let Noun::Cell { p, q, .. } = (*n).clone() else {
58+ panic!()
59+ };
13860
139− if f(
140− p.as_atom().ok_or(TTanks::new())?,
141− q.as_atom().ok_or(TTanks::new())?,
142− ) {
143− Ok(ctx.nouns.sig.clone())
61+ if f(p.as_atom().unwrap(), q.as_atom().unwrap()) {
62+ ctx.nouns.sig.clone()
14463 } else {
145− Ok(ctx.nouns.one.clone())
64+ ctx.nouns.one.clone()
14665 }
14766 };
14867
149−static BINARY_ATOM_PAIR: fn(
150− &Rc<Noun>,
151− fn(&Atom, &Atom) -> (Atom, Atom),
152−) -> Result<Rc<Noun>, TTanks> = |n: &Rc<Noun>, f: fn(&Atom, &Atom) -> (Atom, Atom)| {
153− let (p, q) = n.as_cell().ok_or(TTanks::new())?;
154−
155− let (a, b) = f(
156− p.as_atom().ok_or(TTanks::new())?,
157− q.as_atom().ok_or(TTanks::new())?,
158− );
159− Ok(cell(&Rc::new(Noun::Atom(a)), &Rc::new(Noun::Atom(b))))
160−};
68+static BINARY_ATOM_PAIR: fn(Rc<Noun>, fn(&Atom, &Atom) -> (Atom, Atom)) -> Rc<Noun> =
69+ |n: Rc<Noun>, f: fn(&Atom, &Atom) -> (Atom, Atom)| {
70+ let Noun::Cell { p, q, .. } = (*n).clone() else {
71+ panic!()
72+ };
73+ let (a, b) = f(p.as_atom().unwrap(), q.as_atom().unwrap());
74+ cell(Rc::new(Noun::Atom(a)), Rc::new(Noun::Atom(b)))
75+ };
16176
16277static ADD: Jet = |_ctx, n| BINARY_ATOM(n, |a, b| a + b);
163−static DEC: Jet = |_ctx, n| {
164− Ok(Rc::new(Noun::Atom(
165− n.as_atom().ok_or(TTanks::new())? - 1u32,
166− )))
167−};
78+static DEC: Jet = |_ctx, n| Rc::new(Noun::Atom(n.as_atom().unwrap() - 1u32));
16879static DVR: Jet = |_ctx, n| BINARY_ATOM_PAIR(n, |a, b| a.div_rem(&b));
16980static DIV: Jet = |_ctx, n| BINARY_ATOM(n, |a, b| a / b);
17081static GTE: Jet = |ctx, n| BINARY_ATOM_LOOB(ctx, n, |a, b| a >= b);
@@ -178,42 +89,40 @@ static MUL: Jet = |_ctx, n| BINARY_ATOM(n, |a, b| a * b);
17889static SUB: Jet = |_ctx, n| BINARY_ATOM(n, |a, b| a - b);
17990
18091static CAP: Jet = |ctx, n| {
181− let n = n.as_atom().ok_or(TTanks::new())?;
182− CAP_ATOM(ctx, n.clone())
92+ let Noun::Atom(n) = (*n).clone() else {
93+ panic!()
94+ };
95+ CAP_ATOM(ctx, n)
18396};
184−
185−static CAP_ATOM: fn(&InterpreterContext, Atom) -> Result<Rc<Noun>, TTanks> = |ctx, n: Atom| {
97+static CAP_ATOM: fn(&InterpreterContext, Atom) -> Rc<Noun> = |ctx, n: Atom| {
18698 let mut n_iter = n.iter_u32_digits();
18799
188100 match n_iter.len() {
189− 0 => Err(TTanks::new()),
101+ 0 => panic!(),
190102 1 => CAP_U32(ctx, n_iter.next().unwrap()),
191103 _ => CAP_ATOM(ctx, n >> 1),
192104 }
193105};
194−static CAP_U32: fn(ctx: &InterpreterContext, u32) -> Result<Rc<Noun>, TTanks> = |ctx, n| match n {
195− 0 | 1 => Err(TTanks::new()),
196− 2 => Ok(ctx.nouns.two.clone()),
197− 3 => Ok(ctx.nouns.three.clone()),
106+static CAP_U32: fn(ctx: &InterpreterContext, u32) -> Rc<Noun> = |ctx, n| match n {
107+ 0 | 1 => panic!(),
108+ 2 => ctx.nouns.two.clone(),
109+ 3 => ctx.nouns.three.clone(),
198110 n => CAP_U32(ctx, n >> 1),
199111};
200112
201113static MAS: Jet = |ctx, n| {
202− let n = n.as_atom().ok_or(TTanks::new())?;
203− Ok(Rc::new(Noun::Atom(
204− MAS_ATOM(ctx, n.clone()).ok_or(TTanks::new())?,
205− )))
114+ let Noun::Atom(n) = (*n).clone() else {
115+ panic!()
116+ };
117+ Rc::new(Noun::Atom(MAS_ATOM(ctx, n)))
206118};
207−static MAS_ATOM: fn(&InterpreterContext, Atom) -> Option<Atom> = |ctx, n| {
119+static MAS_ATOM: fn(&InterpreterContext, Atom) -> Atom = |ctx, n| {
208120 let mut n_iter = n.iter_u32_digits();
209121
210122 match n_iter.len() {
211− 0 => None,
212− 1 => match n_iter.next().unwrap() {
213− 1 => None,
214− x => Some(Atom::new(vec![MAS_U32(x)])),
215− },
216− _ => Some((&n & &ctx.big_uints.one) + (MAS_ATOM(ctx, &n >> 1)? << 1)),
123+ 0 => panic!(),
124+ 1 => Atom::new(vec![MAS_U32(n_iter.next().unwrap())]),
125+ _ => (&n & &ctx.big_uints.one) + (MAS_ATOM(ctx, &n >> 1) << 1),
217126 }
218127};
219128static MAS_U32: fn(u32) -> u32 = |n| match n {
@@ -223,24 +132,26 @@ static MAS_U32: fn(u32) -> u32 = |n| match n {
223132};
224133
225134static PEG: Jet = |ctx, n| {
226− let (a, b) = n.as_cell().ok_or(TTanks::new())?;
135+ let Noun::Cell { p: a, q: b, .. } = (*n).clone() else {
136+ panic!()
137+ };
227138
228− let a = a.as_atom().ok_or(TTanks::new())?;
229− let b = b.as_atom().ok_or(TTanks::new())?;
139+ let a = a.as_atom().unwrap();
140+ let b = b.as_atom().unwrap();
230141
231142 if *a == Atom::ZERO {
232− return Err(TTanks::new());
143+ panic!()
233144 };
234145
235− Ok(Rc::new(Noun::Atom(PEG_ATOM(ctx, a, b.clone())?)))
146+ Rc::new(Noun::Atom(PEG_ATOM(ctx, a, b.clone())))
236147};
237−static PEG_ATOM: fn(&InterpreterContext, &Atom, Atom) -> Result<Atom, TTanks> = |ctx, a, b| {
148+static PEG_ATOM: fn(&InterpreterContext, &Atom, Atom) -> Atom = |ctx, a, b| {
238149 let mut b_iter = b.iter_u32_digits();
239150
240151 match b_iter.len() {
241− 0 => Err(TTanks::new()),
242− 1 => Ok(PEG_U32(a, b_iter.next().unwrap())),
243− _ => Ok((&b & &ctx.big_uints.one) + (PEG_ATOM(ctx, a, b >> 1)? << 1)),
152+ 0 => panic!(),
153+ 1 => PEG_U32(a, b_iter.next().unwrap()),
154+ _ => (&b & &ctx.big_uints.one) + (PEG_ATOM(ctx, a, b >> 1) << 1),
244155 }
245156};
246157static PEG_U32: fn(&Atom, u32) -> Atom = |a, b| match b {
@@ -252,12 +163,12 @@ static PEG_U32: fn(&Atom, u32) -> Atom = |a, b| match b {
252163};
253164
254165static FAND: Jet = |ctx, n| {
255− let (nedl, hstk) = n.as_cell().ok_or(TTanks::new())?;
166+ let (nedl, hstk) = n.as_cell().unwrap();
256167 if nedl.is_sig() || hstk.is_sig() {
257− return Ok(ctx.nouns.sig.clone());
168+ return ctx.nouns.sig.clone();
258169 }
259170
260− let nedl: Vec<&Rc<Noun>> = nedl.list_iter().collect();
171+ let nedl: Vec<Rc<Noun>> = nedl.list_iter().collect();
261172
262173 let mut result: Vec<u32> = Vec::new();
263174
@@ -278,16 +189,16 @@ static FAND: Jet = |ctx, n| {
278189 inner_iter = iter.clone();
279190 }
280191
281− Ok(Noun::list(result.iter().map(|a| Noun::from_u32(*a))))
192+ Noun::list(result.iter().map(|a| Noun::from_u32(*a)))
282193};
283194
284195static FIND: Jet = |ctx, n| {
285− let (nedl, hstk) = n.as_cell().ok_or(TTanks::new())?;
196+ let (nedl, hstk) = n.as_cell().unwrap();
286197 if nedl.is_sig() || hstk.is_sig() {
287− return Ok(ctx.nouns.sig.clone());
198+ return ctx.nouns.sig.clone();
288199 }
289200
290− let nedl: Vec<&Rc<Noun>> = nedl.list_iter().collect();
201+ let nedl: Vec<Rc<Noun>> = nedl.list_iter().collect();
291202
292203 let mut iter = zip(0.., hstk.list_iter());
293204
@@ -300,28 +211,28 @@ static FIND: Jet = |ctx, n| {
300211 .collect::<Vec<_>>()
301212 == nedl
302213 {
303− return Ok(Rc::new(Noun::from_u32(i)).unit());
214+ return Rc::new(Noun::from_u32(i)).unit();
304215 }
305216
306217 inner_iter = iter.clone();
307218 }
308219
309− return Ok(ctx.nouns.sig.clone());
220+ return ctx.nouns.sig.clone();
310221};
311222
312223static FLOP: Jet = |ctx, n| {
313− Ok(n.list_iter()
314− .fold(ctx.nouns.sig.clone(), |tail, head| cell(&head, &tail)))
224+ n.list_iter()
225+ .fold(ctx.nouns.sig.clone(), |tail, head| cell(head, tail))
315226};
316227
317228static GULF: Jet = |_ctx, n| {
318− let (from, to) = n.as_cell().ok_or(TTanks::new())?;
229+ let (from, to) = n.as_cell().unwrap();
319230
320− let mut from = (*from.as_atom().ok_or(TTanks::new())?).clone();
321− let to = to.as_atom().ok_or(TTanks::new())?.clone();
231+ let mut from = (*from.as_atom().unwrap()).clone();
232+ let to = to.as_atom().unwrap().clone();
322233
323234 if from > to {
324− return Err(TTanks::new());
235+ panic!()
325236 }
326237
327238 let mut tmp = Vec::new();
@@ -331,940 +242,60 @@ static GULF: Jet = |_ctx, n| {
331242 from += 1u32;
332243 }
333244
334− Ok(Noun::list(tmp.iter().rev().map(|a| Noun::Atom(a.clone()))))
245+ Noun::list(tmp.iter().rev().map(|a| Noun::Atom(a.clone())))
335246};
336247
337248static INTO: Jet = |_ctx, n| {
338− let (a, b) = n.as_cell().ok_or(TTanks::new())?;
339− let (b, c) = b.as_cell().ok_or(TTanks::new())?;
249+ let (a, b) = n.as_cell().unwrap();
250+ let (b, c) = b.as_cell().unwrap();
340251
341− let mut b_iter = b.as_atom().ok_or(TTanks::new())?.iter_u32_digits();
252+ let mut b_iter = b.as_atom().unwrap().iter_u32_digits();
342253
343254 match b_iter.len() {
344− 0 => Ok(cell(&c, &a)),
255+ 0 => cell(c, a),
345256 1 => {
346257 let l = a.list_iter();
347258 let b = b_iter.next().unwrap() as usize;
348− Ok(Noun::list_refs(
259+ Noun::list_refs(
349260 l.clone()
350261 .take(b)
351262 .chain(once(c))
352263 .chain(l.skip(b))
353264 .collect::<Vec<_>>()
354265 .iter()
355− .cloned()
356− .cloned(),
357− ))
266+ .map(|x| x.clone()),
267+ )
358268 }
359− _ => Ok(Noun::list_refs(
269+ _ => Noun::list_refs(
360270 a.list_iter()
361271 .chain(once(c))
362272 .collect::<Vec<_>>()
363273 .iter()
364− .cloned()
365− .cloned(),
366− )),
274+ .map(|x| x.clone()),
275+ ),
367276 }
368277};
369278
370279static JOIN: Jet = |_ctx, n| {
371− let (sep, list) = n.as_cell().ok_or(TTanks::new())?;
372− Ok(Noun::list_refs(
280+ let (sep, list) = n.as_cell().unwrap();
281+ Noun::list_refs(
373282 list.list_iter()
374283 .intersperse(sep)
375284 .collect::<Vec<_>>()
376285 .iter()
377− .cloned()
378− .cloned(),
379− ))
286+ .map(|x| x.clone()),
287+ )
380288};
381289
382−static LENT: Jet = |_ctx, n| {
383− Ok(Rc::new(Noun::from_u32(
384− n.list_iter().fold(0u32, |l, _| l + 1),
385− )))
386−};
290+static LENT: Jet = |_ctx, n| Rc::new(Noun::from_u32(n.list_iter().fold(0u32, |l, _| l + 1)));
387291
388292static LEVY: Jet = |ctx, n| {
389− let (a, b) = n.as_cell().ok_or(TTanks::new())?;
390− if traverse_iter_result(a.list_iter().map(|n| slam_pulled_gate(ctx, b, n)))?
391− .iter()
392− .all(|x| x.is_y())
393− {
394− Ok(ctx.nouns.y.clone())
395− } else {
396− Ok(ctx.nouns.n.clone())
397− }
398−};
399−
400−static LIEN: Jet = |ctx, n| {
401− let (a, b) = n.as_cell().ok_or(TTanks::new())?;
402− if traverse_iter_result(a.list_iter().map(|n| slam_pulled_gate(ctx, b, n)))?
403− .iter()
404− .any(|x| x.is_y())
293+ let (a, b) = n.as_cell().unwrap();
294+ if a.list_iter()
295+ .all(|n| call_gate(ctx, b.clone(), n) == ctx.nouns.y)
405296 {
406− Ok(ctx.nouns.y.clone())
407− } else {
408− Ok(ctx.nouns.n.clone())
409− }
410−};
411−
412−static MURN: Jet = |ctx, n| {
413− let (a, b) = n.as_cell().ok_or(TTanks::new())?;
414−
415− Ok(Noun::list_refs(
416− traverse_iter_result(
417− a.list_iter()
418− .map(|n| Ok(slam_pulled_gate(ctx, b, n)?.as_unit().cloned())),
419− )?
420− .iter()
421− .filter_map(|x| x.clone()),
422− ))
423−};
424−
425−static REAP: Jet = |_ctx, n| {
426− let (a, b) = n.as_cell().ok_or(TTanks::new())?;
427−
428− Ok(Noun::list_refs(repeat_n(
429− b.clone(),
430− a.as_u32().unwrap() as usize,
431− )))
432−};
433−
434−static REAR: Jet = |_ctx, n| n.list_iter().last().ok_or(TTanks::new()).cloned();
435−
436−static REEL: Jet = |ctx, n| {
437− let (list, gate) = n.as_cell().ok_or(TTanks::new())?;
438−
439− list.list_iter().collect::<Vec<_>>().iter().rfold(
440− Ok(gate
441− .gate_sample()
442− .ok_or(TTanks::new())?
443− .as_cell()
444− .ok_or(TTanks::new())?
445− .1
446− .clone()),
447− |acc, next| {
448− let acc = acc?;
449− slam_pulled_gate(ctx, gate, &cell(&next, &acc))
450− },
451− )
452−};
453−
454−static ROLL: Jet = |ctx, n| {
455− let (list, gate) = n.as_cell().ok_or(TTanks::new())?;
456−
457− list.list_iter().fold(
458− Ok(gate
459− .clone()
460− .gate_sample()
461− .ok_or(TTanks::new())?
462− .as_cell()
463− .ok_or(TTanks::new())?
464− .1
465− .clone()),
466− |acc, next| {
467− let acc = acc?;
468− slam_pulled_gate(ctx, gate, &cell(&next, &acc))
469− },
470− )
471−};
472−
473−static SCAG: Jet = |_ctx, n| {
474− let (a, b) = n.as_cell().ok_or(TTanks::new())?;
475−
476− Ok(Noun::list_refs(
477− b.list_iter()
478− .take(a.as_u32().unwrap() as usize)
479− .collect::<Vec<_>>()
480− .iter()
481− .cloned()
482− .cloned(),
483− ))
484−};
485−
486−static SKID: Jet = |ctx, n| {
487− let (list, gate) = n.as_cell().ok_or(TTanks::new())?;
488−
489− let slammed_n = traverse_iter_result(
490− list.list_iter()
491− .map(|n| Ok((slam_pulled_gate(ctx, gate, n)?, n))),
492− )?;
493− let (ys, ns): (Vec<_>, _) = slammed_n.iter().partition(|(l, _)| l.is_y());
494−
495− Ok(cell(
496− &Noun::list_refs(ys.iter().map(|(_, x)| (*x).clone())),
497− &Noun::list_refs(ns.iter().map(|(_, x)| (*x).clone())),
498− ))
499−};
500−
501−static SKIM: Jet = |ctx, n| {
502− let (list, gate) = n.as_cell().ok_or(TTanks::new())?;
503−
504− Ok(Noun::list_refs(
505− traverse_iter_result(
506− list.list_iter()
507− .map(|n| Ok((slam_pulled_gate(ctx, gate, n)?, n))),
508− )?
509− .iter()
510− .filter(|(l, _)| l.is_y())
511− .map(|(_, x)| (*x).clone()),
512− ))
513−};
514−
515−static SKIP: Jet = |ctx, n| {
516− let (list, gate) = n.as_cell().ok_or(TTanks::new())?;
517−
518− Ok(Noun::list_refs(
519− traverse_iter_result(
520− list.list_iter()
521− .map(|n| Ok((slam_pulled_gate(ctx, gate, n)?, n))),
522− )?
523− .iter()
524− .filter(|(l, _)| l.is_y())
525− .map(|(_, x)| (*x).clone()),
526− ))
527−};
528−
529−static SLAG: Jet = |ctx, n| {
530− let (a, list) = n.as_cell().ok_or(TTanks::new())?;
531−
532− let mut a_iter = a.as_atom().ok_or(TTanks::new())?.iter_u32_digits();
533−
534− match a_iter.len() {
535− 0 => Ok(list.clone()),
536− 1 => Ok(Noun::list_refs(
537− list.list_iter()
538− .skip(a_iter.next().unwrap() as usize)
539− .collect::<Vec<_>>()
540− .iter()
541− .cloned()
542− .cloned(),
543− )),
544− _ => Ok(ctx.nouns.sig.clone()),
545− }
546−};
547−
548−static SNAG: Jet = |_ctx, n| {
549− let (a, list) = n.as_cell().ok_or(TTanks::new())?;
550−
551− list.list_iter()
552− .nth(a.as_u32().unwrap() as usize)
553− .cloned()
554− .ok_or(TTanks::new())
555−};
556−
557−static SNIP: Jet = |_ctx, n| {
558− Ok(Noun::list_refs(
559− n.list_iter()
560− .collect::<Vec<_>>()
561− .iter()
562− .rev()
563− .skip(1)
564− .rev()
565− .cloned()
566− .cloned(),
567− ))
568−};
569−
570−static SNOC: Jet = |_ctx, n| {
571− let (list, b) = n.as_cell().ok_or(TTanks::new())?;
572−
573− Ok(Noun::list_refs(
574− list.list_iter()
575− .chain(once(b))
576− .collect::<Vec<_>>()
577− .iter()
578− .cloned()
579− .cloned(),
580− ))
581−};
582−
583−// static SORT: Jet = |ctx, n| {
584−// let (list, lth) = n.as_cell().unwrap();
585−
586−// let mut v: Vec<_> = list.list_iter().collect();
587−
588−// v.sort_by(|a, b| {
589−// if slam(ctx, lth.clone(), cell(a.clone(), b.clone())) == ctx.nouns.some_y {
590−// Ordering::Less
591−// } else if slam(ctx, lth.clone(), cell(b.clone(), a.clone())) == ctx.nouns.some_y {
592−// Ordering::Greater
593−// } else {
594−// Ordering::Equal
595−// }
596−// });
597−
598−// Some(Noun::list_refs(v.iter().cloned()))
599−// };
600−
601−static SPIN: Jet = |ctx, n| {
602− let (list, b) = n.as_cell().ok_or(TTanks::new())?;
603− let (acc, gate) = b.as_cell().ok_or(TTanks::new())?;
604−
605− let mut res = Vec::new();
606− let mut acc = acc.clone();
607−
608− for n in list.list_iter() {
609− let foo = slam_pulled_gate(ctx, gate, &cell(&n, &acc))?;
610− let (el, new_acc) = foo.as_cell().ok_or(TTanks::new())?;
611− acc = new_acc.clone();
612− res.push(el.clone());
613− }
614−
615− Ok(cell(&Noun::list_refs(res.iter().cloned()), &acc))
616−};
617−
618−static SPUN: Jet = |ctx, n| {
619− let (list, gate) = n.as_cell().ok_or(TTanks::new())?;
620−
621− let mut res = Vec::new();
622− let mut acc = gate
623− .gate_sample()
624− .ok_or(TTanks::new())?
625− .as_cell()
626− .ok_or(TTanks::new())?
627− .1
628− .clone();
629−
630− for n in list.list_iter() {
631− let foo = slam_pulled_gate(ctx, gate, &cell(&n, &acc))?;
632− let (el, new_acc) = foo.as_cell().ok_or(TTanks::new())?;
633− acc = new_acc.clone();
634− res.push(el.clone());
635− }
636−
637− Ok(cell(&Noun::list_refs(res.iter().cloned()), &acc))
638−};
639−
640−static TURN: Jet = |ctx, n| {
641− let (list, gate) = n.as_cell().ok_or(TTanks::new())?;
642− Ok(Noun::list_refs(
643− traverse_iter_result(list.list_iter().map(|x| slam_pulled_gate(ctx, gate, x)))?
644− .iter()
645− .cloned(),
646− ))
647−};
648−
649−static WELD: Jet = |_ctx, n| {
650− let (a, b) = n.as_cell().ok_or(TTanks::new())?;
651−
652− Ok(Noun::list_refs(
653− a.list_iter()
654− .chain(b.list_iter())
655− .collect::<Vec<_>>()
656− .iter()
657− .cloned()
658− .cloned(),
659− ))
660−};
661−
662−static WELP: Jet = WELD;
663−
664−static ZING: Jet = |_ctx, n| {
665− Ok(Noun::list_refs(
666− n.list_iter()
667− .map(|l| l.list_iter())
668− .flatten()
669− .collect::<Vec<_>>()
670− .iter()
671− .cloned()
672− .cloned(),
673− ))
674−};
675−
676−static BEX: Jet = |ctx, n| {
677− Ok(Rc::new(Noun::Atom(
678− &ctx.big_uints.one << n.as_u32().unwrap(),
679− )))
680−};
681−
682−static END: Jet = |ctx, n| {
683− let (a, b) = n.as_cell().ok_or(TTanks::new())?;
684− let bite = a.as_bite();
685−
686− let bits = bite.bits();
687−
688− let mask = (&ctx.big_uints.one << bits) - &ctx.big_uints.one;
689−
690− Ok(Rc::new(Noun::Atom(
691− mask & b.as_atom().ok_or(TTanks::new())?,
692− )))
693−};
694−
695−static CAN: Jet = |ctx, n| {
696− let (a, b) = n.as_cell().ok_or(TTanks::new())?;
697− let bloq = a.as_u32().unwrap();
698− let bloq_ = 2u32.pow(bloq);
699−
700− let atom: Option<Atom> = b.list_iter().collect::<Vec<_>>().iter().rfold(
701− Some(ctx.big_uints.zero.clone()),
702− |acc, next| {
703− let (p, q) = next.as_cell()?;
704− let step = p.as_u32().unwrap();
705− let bits = bloq_ * step;
706− let mask = (&ctx.big_uints.one << bits) - &ctx.big_uints.one;
707−
708− Some((acc? << bits) | (mask & q.as_atom()?))
709− },
710− );
711− Ok(Rc::new(Noun::Atom(atom.ok_or(TTanks::new())?)))
712−};
713−
714−static CAT: Jet = |_ctx, n| {
715− let (bloq, b) = n.as_cell().ok_or(TTanks::new())?;
716− let (b, c) = b.as_cell().ok_or(TTanks::new())?;
717−
718− let bloq = bloq.as_u32().ok_or(TTanks::new())?;
719− let b = b.as_atom().ok_or(TTanks::new())?;
720− let c = c.as_atom().ok_or(TTanks::new())?;
721−
722− Ok(Rc::new(Noun::Atom(
723− (c << (met(bloq, &b) * 2u32.pow(bloq))) | b,
724− )))
725−};
726−
727−static MET: Jet = |_ctx, n| {
728− let (bloq, b) = n.as_cell().ok_or(TTanks::new())?;
729− let b: Atom = b.as_atom().ok_or(TTanks::new())?.clone();
730− let bloq = bloq.as_u32().unwrap();
731−
732− Ok(Rc::new(Noun::from_u32(met(bloq, &b))))
733−};
734−
735−fn met(bloq: u32, a: &Atom) -> u32 {
736− (a.bits() as u32).div_ceil(2u32.pow(bloq))
737−}
738−
739−static CUT: Jet = |ctx, n| {
740− let (a, b) = n.as_cell().ok_or(TTanks::new())?;
741− let (b, d) = b.as_cell().ok_or(TTanks::new())?;
742− let (b, c) = b.as_cell().ok_or(TTanks::new())?;
743−
744− let bits = 2u32.pow(a.as_u32().unwrap());
745−
746− let mask = (&ctx.big_uints.one << (bits * c.as_u32().unwrap())) - &ctx.big_uints.one;
747−
748− Ok(Rc::new(Noun::Atom(
749− (d.as_atom().ok_or(TTanks::new())? >> (bits * b.as_u32().unwrap())) & mask,
750− )))
751−};
752−
753−static FIL: Jet = |ctx, n| {
754− let (a, b) = n.as_cell().ok_or(TTanks::new())?;
755− let (b, c) = b.as_cell().ok_or(TTanks::new())?;
756−
757− let bits = 2u32.pow(a.as_u32().unwrap());
758−
759− let mask = (&ctx.big_uints.one << bits) - &ctx.big_uints.one;
760−
761− let src = c.as_atom().ok_or(TTanks::new())? & mask;
762−
763− let mut target = ctx.big_uints.zero.clone();
764−
765− for _ in 0..b.as_u32().unwrap() {
766− target = (target << bits) | &src;
767− }
768−
769− Ok(Rc::new(Noun::Atom(target)))
770−};
771−
772−static LSH: Jet = |_ctx, n| {
773− let (a, b) = n.as_cell().ok_or(TTanks::new())?;
774− let a = a.as_bite();
775− let b = b.as_atom().ok_or(TTanks::new())?;
776−
777− Ok(Rc::new(Noun::Atom(b << a.bits())))
778−};
779−
780−static RSH: Jet = |_ctx, n| {
781− let (a, b) = n.as_cell().ok_or(TTanks::new())?;
782− let a = a.as_bite();
783− let b = b.as_atom().ok_or(TTanks::new())?;
784−
785− Ok(Rc::new(Noun::Atom(b >> a.bits())))
786−};
787−
788−pub static RAP: Jet = |ctx, n| {
789− let (bloq, b) = n.as_cell().ok_or(TTanks::new())?;
790− let bloq = bloq.as_u32().unwrap();
791− let bits = 2u32.pow(bloq);
792−
793− let mut target = ctx.big_uints.zero.clone();
794−
795− for el in b.list_iter().collect::<Vec<_>>().iter().rev() {
796− let el = el.as_atom().ok_or(TTanks::new())?;
797− if el != &ctx.big_uints.zero {
798− target = (target << (bits * met(bloq, &el))) | el;
799− }
800− }
801−
802− Ok(Rc::new(Noun::Atom(target)))
803−};
804−
805−static REP: Jet = |ctx, n| {
806− let (bite, b) = n.as_cell().ok_or(TTanks::new())?;
807− let bite = bite.as_bite();
808−
809− let bits = bite.bits();
810− let mask = (&ctx.big_uints.one << bits) - &ctx.big_uints.one;
811−
812− let mut target = ctx.big_uints.zero.clone();
813−
814− for el in b.list_iter().collect::<Vec<_>>().iter().rev() {
815− target = (target << bits) | (el.as_atom().ok_or(TTanks::new())? & &mask);
816− }
817−
818− Ok(Rc::new(Noun::Atom(target)))
819−};
820−
821−static REV: Jet = |ctx, n| {
822− let (bloq, b) = n.as_cell().ok_or(TTanks::new())?;
823− let (len, dat) = b.as_cell().ok_or(TTanks::new())?;
824− let bloq = bloq.as_u32().unwrap();
825− let len = len.as_u32().unwrap();
826− let mut dat: Atom = dat.as_atom().ok_or(TTanks::new())?.clone();
827−
828− let bits = 2u32.pow(bloq);
829− let mask = (&ctx.big_uints.one << bits) - &ctx.big_uints.one;
830−
831− let mut target = ctx.big_uints.zero.clone();
832−
833− for _ in 0..len {
834− target = (target << bits) | (&mask & &dat);
835− dat = dat >> bits;
836− }
837−
838− Ok(Rc::new(Noun::Atom(target)))
839−};
840−
841−static RIP: Jet = |ctx, n| {
842− let (bite, b) = n.as_cell().ok_or(TTanks::new())?;
843− let bite = bite.as_bite();
844− let mut b: Atom = b.as_atom().ok_or(TTanks::new())?.clone();
845−
846− let bits = bite.bits();
847− let mask = (&ctx.big_uints.one << bits) - &ctx.big_uints.one;
848−
849− let mut target = Vec::new();
850−
851− while b > ctx.big_uints.zero {
852− target.push(Rc::new(Noun::Atom(&mask & &b)));
853− b = b >> bits;
854− }
855−
856− Ok(Noun::list_refs(target.iter().cloned()))
857−};
858−
859−static RUN: Jet = |ctx, n| {
860− let (bite, b) = n.as_cell().ok_or(TTanks::new())?;
861− let (b, gate) = b.as_cell().ok_or(TTanks::new())?;
862−
863− let bite = bite.as_bite();
864− let mut b: Atom = b.as_atom().ok_or(TTanks::new())?.clone();
865−
866− let bits = bite.bits();
867− let mask = (&ctx.big_uints.one << bits) - &ctx.big_uints.one;
868−
869− let mut target = ctx.big_uints.zero.clone();
870−
871− while b > ctx.big_uints.zero {
872− target = (target << bits)
873− | ((*slam_pulled_gate(ctx, gate, &Rc::new(Noun::Atom(&mask & &b)))?)
874− .as_atom()
875− .ok_or(TTanks::new())?
876− & &mask);
877− b = b >> bits;
878− }
879−
880− Ok(Rc::new(Noun::Atom(target)))
881−};
882−
883−static RUT: Jet = |ctx, n| {
884− let (bite, b) = n.as_cell().ok_or(TTanks::new())?;
885− let (b, gate) = b.as_cell().ok_or(TTanks::new())?;
886−
887− let bite = bite.as_bite();
888− let mut b: Atom = b.as_atom().ok_or(TTanks::new())?.clone();
889−
890− let bits = bite.bits();
891− let mask = (&ctx.big_uints.one << bits) - &ctx.big_uints.one;
892−
893− let mut target = Vec::new();
894−
895− while b > ctx.big_uints.zero {
896− target.push(
897− (*slam_pulled_gate(ctx, gate, &Rc::new(Noun::Atom(&mask & &b)))?)
898− .as_atom()
899− .ok_or(TTanks::new())?
900− & &mask,
901− );
902− b = b >> bits;
903− }
904−
905− Ok(Noun::list(target.iter().cloned().map(Noun::Atom)))
906−};
907−
908−static SEW: Jet = |ctx, n| {
909− let (a, b) = n.as_cell().ok_or(TTanks::new())?;
910− let (b, recipient) = b.as_cell().ok_or(TTanks::new())?;
911− let (sew_start, c) = b.as_cell().ok_or(TTanks::new())?;
912− let (number_of_blocks, donor) = c.as_cell().ok_or(TTanks::new())?;
913− let recipient = recipient.as_atom().ok_or(TTanks::new())?;
914− let donor = donor.as_atom().ok_or(TTanks::new())?;
915−
916− let bloq = a.as_u32().unwrap();
917− let bits = 2u32.pow(bloq);
918− let mask = ((&ctx.big_uints.one << (bits * number_of_blocks.as_u32().unwrap()))
919− - &ctx.big_uints.one)
920− << (sew_start.as_u32().unwrap() * bits);
921−
922− let apendix = recipient & &mask;
923−
924− let target = (recipient ^ apendix) | (donor & mask);
925−
926− Ok(Rc::new(Noun::Atom(target)))
927−};
928−
929−static SWP: Jet = |ctx, n| {
930− let (bloq, b) = n.as_cell().ok_or(TTanks::new())?;
931− let bloq = bloq.as_u32().unwrap();
932− let bits = 2u32.pow(bloq);
933− let mask = (&ctx.big_uints.one << bits) - &ctx.big_uints.one;
934−
935− let mut source = b.as_atom().ok_or(TTanks::new())?.clone();
936− let mut target = ctx.big_uints.zero.clone();
937−
938− while source > ctx.big_uints.zero {
939− target = (target << bits) | (&source & &mask);
940− source = source >> bits;
941− }
942−
943− Ok(Rc::new(Noun::Atom(target)))
944−};
945−
946−static XEB: Jet = |_ctx, n| {
947− let mut a = n.as_atom().ok_or(TTanks::new())?.clone();
948−
949− let mut c = 0;
950−
951− while a > Atom::ZERO {
952− a = a >> 1;
953− c += 1;
954− }
955−
956− Ok(Rc::new(Noun::from_u32(c)))
957−};
958−
959−static CON: Jet = |_ctx, n| BINARY_ATOM(n, |a, b| a | b);
960−static DIS: Jet = |_ctx, n| BINARY_ATOM(n, |a, b| a & b);
961−static MIX: Jet = |_ctx, n| BINARY_ATOM(n, |a, b| a ^ b);
962−
963−static NOT: Jet = |ctx, n| {
964− let (a, b) = n.as_cell().ok_or(TTanks::new())?;
965− let (b, c) = b.as_cell().ok_or(TTanks::new())?;
966−
967− let bloq = a.as_u32().unwrap();
968− let bits = 2u32.pow(bloq);
969− let mask = (&ctx.big_uints.one << (bits * b.as_u32().unwrap())) - &ctx.big_uints.one;
970−
971− let target = c.as_atom().ok_or(TTanks::new())? ^ &mask;
972−
973− Ok(Rc::new(Noun::Atom(target)))
974−};
975−
976−static LAST: Jet = |_ctx, n| {
977− let (a, b) = n.as_cell().ok_or(TTanks::new())?;
978− let a = a.as_hair().ok_or(TTanks::new())?;
979− let b = b.as_hair().ok_or(TTanks::new())?;
980− Ok(Noun::from_hair(last(&a, &b)))
981−};
982−
983−fn last<'a>(a: &'a Hair, b: &'a Hair) -> &'a Hair {
984− if a.line == b.line {
985− if a.column > b.column {
986− a
987− } else {
988− b
989− }
990− } else {
991− if a.line > b.line {
992− a
993− } else {
994− b
995− }
996− }
997−}
998−
999−static TRIP: Jet = |_ctx, n| {
1000− let a = n.as_atom().ok_or(TTanks::new())?;
1001− Ok(Noun::list(
1002− a.to_bytes_le().iter().map(|b| Noun::from_u32(*b as u32)),
1003− ))
1004−};
1005−
1006−static MUK: Jet = |_ctx, n| {
1007− let (seed, len) = n.as_cell().ok_or(TTanks::new())?;
1008− let (len, key) = len.as_cell().ok_or(TTanks::new())?;
1009− let seed = seed.as_u32().ok_or(TTanks::new())?;
1010− let len = len.as_u32().ok_or(TTanks::new())?;
1011− let key = key.as_atom().ok_or(TTanks::new())?;
1012−
1013− Ok(Rc::new(Noun::from_u32(muk(seed, len, key))))
1014−};
1015−
1016−static AOR: Jet = |ctx, n| {
1017− let (a, b) = n.as_cell().ok_or(EMPTY_TANKS)?;
1018−
1019− if a == b {
1020− Ok(ctx.nouns.y.clone())
1021− } else {
1022− match (a.borrow(), b.borrow()) {
1023− (Noun::Cell { .. }, Noun::Atom(_)) => Ok(ctx.nouns.n.clone()),
1024− (Noun::Cell { p: a_p, q: a_q, .. }, Noun::Cell { p: b_p, q: b_q, .. }) => {
1025− if a_p == b_p {
1026− AOR(ctx, &cell(a_q, b_q))
1027− } else {
1028− AOR(ctx, &cell(a_p, b_p))
1029− }
1030− }
1031− (Noun::Atom(_), Noun::Cell { .. }) => Ok(ctx.nouns.y.clone()),
1032− (Noun::Atom(a), Noun::Atom(b)) => {
1033− let a = a.to_bytes_le();
1034− let b = b.to_bytes_le();
1035−
1036− let mut i = 0;
1037− loop {
1038− let c = a.get(i).unwrap_or(&0);
1039− let d = b.get(i).unwrap_or(&0);
1040−
1041− if a[0] == b[0] {
1042− i += 1;
1043− } else {
1044− if c < d {
1045− return Ok(ctx.nouns.y.clone());
1046− } else {
1047− return Ok(ctx.nouns.n.clone());
1048− }
1049− }
1050− }
1051− }
1052− }
1053− }
1054−};
1055−
1056−static DOR: Jet = |ctx, n| {
1057− let (a, b) = n.as_cell().ok_or(EMPTY_TANKS)?;
1058−
1059− if a == b {
1060− Ok(ctx.nouns.y.clone())
1061− } else {
1062− match (a.borrow(), b.borrow()) {
1063− (Noun::Cell { .. }, Noun::Atom(_)) => Ok(ctx.nouns.n.clone()),
1064− (Noun::Cell { p: a_p, q: a_q, .. }, Noun::Cell { p: b_p, q: b_q, .. }) => {
1065− if a_p == b_p {
1066− DOR(ctx, &cell(a_q, b_q))
1067− } else {
1068− DOR(ctx, &cell(a_p, b_p))
1069− }
1070− }
1071− (Noun::Atom(_), Noun::Cell { .. }) => Ok(ctx.nouns.y.clone()),
1072− (Noun::Atom(a), Noun::Atom(b)) => {
1073− if a < b {
1074− Ok(ctx.nouns.y.clone())
1075− } else {
1076− Ok(ctx.nouns.n.clone())
1077− }
1078− }
1079− }
1080− }
1081−};
1082−
1083−static GOR: Jet = |ctx, n| {
1084− let (a, b) = n.as_cell().ok_or(EMPTY_TANKS)?;
1085− let c = a.mug();
1086− let d = b.mug();
1087−
1088− if c == d {
1089− DOR(ctx, n)
297+ ctx.nouns.y.clone()
1090298 } else {
1091− if c < d {
1092− Ok(ctx.nouns.y.clone())
1093− } else {
1094− Ok(ctx.nouns.n.clone())
1095− }
299+ ctx.nouns.n.clone()
1096300 }
1097301};
1098−
1099−static GOR_PAIR: fn(&mut InterpreterContext, &Rc<Noun>, &Rc<Noun>) -> Result<bool, TTanks> =
1100− |ctx, a, b| {
1101− let c = a.mug();
1102− let d = b.mug();
1103−
1104− if c == d {
1105− Ok(DOR(ctx, &(a.clone(), b.clone()).as_noun())? == ctx.nouns.y)
1106− } else {
1107− Ok(c < d)
1108− }
1109− };
1110−
1111−static MOR: Jet = |ctx, n| {
1112− let (a, b) = n.as_cell().ok_or(EMPTY_TANKS)?;
1113− let c = Noun::from_u32(a.mug()).mug();
1114− let d = Noun::from_u32(b.mug()).mug();
1115−
1116− if c == d {
1117− DOR(ctx, n)
1118− } else {
1119− if c < d {
1120− Ok(ctx.nouns.y.clone())
1121− } else {
1122− Ok(ctx.nouns.n.clone())
1123− }
1124− }
1125−};
1126−
1127−static LOOK: Jet = |ctx, n| {
1128− let (cog, dab) = n.as_cell().ok_or(EMPTY_TANKS)?;
1129− LOOK_PAIR(ctx, Atom::new(vec![1]), cog, dab)
1130−};
1131−
1132−static LOOK_PAIR: fn(
1133− &mut InterpreterContext,
1134− Atom,
1135− &Rc<Noun>,
1136− &Rc<Noun>,
1137−) -> Result<Rc<Noun>, TTanks> = |ctx, axe, cog, dab| {
1138− if dab.is_sig() {
1139− Ok(ctx.nouns.sig.clone())
1140− } else {
1141− let (node, b, c) = dab.tuple_3().ok_or(EMPTY_TANKS)?;
1142− let l = b;
1143− let r = c;
1144− let (p, q) = node.as_cell().ok_or(EMPTY_TANKS)?;
1145− if b.is_sig() && c.is_sig() {
1146− if cog == p {
1147− Ok((ctx.nouns.sig.clone(), Noun::Atom(axe), q.clone()).as_noun())
1148− } else {
1149− Ok(ctx.nouns.sig.clone())
1150− }
1151− } else if b.is_sig() {
1152− if cog == p {
1153− Ok((ctx.nouns.sig.clone(), PEG_U32(&axe, 2), q.clone()).as_noun())
1154− } else if GOR_PAIR(ctx, cog, p)? {
1155− Ok(ctx.nouns.sig.clone())
1156− } else {
1157− LOOK_PAIR(ctx, PEG_U32(&axe, 3), cog, r)
1158− }
1159− } else if c.is_sig() {
1160− if cog == p {
1161− Ok((ctx.nouns.sig.clone(), PEG_U32(&axe, 2), q.clone()).as_noun())
1162− } else if GOR_PAIR(ctx, cog, p)? {
1163− LOOK_PAIR(ctx, PEG_U32(&axe, 3), cog, l)
1164− } else {
1165− Ok(ctx.nouns.sig.clone())
1166− }
1167− } else {
1168− if cog == p {
1169− Ok((ctx.nouns.sig.clone(), PEG_U32(&axe, 2), q.clone()).as_noun())
1170− } else if GOR_PAIR(ctx, cog, p)? {
1171− LOOK_PAIR(ctx, PEG_U32(&axe, 6), cog, l)
1172− } else {
1173− LOOK_PAIR(ctx, PEG_U32(&axe, 7), cog, r)
1174− }
1175− }
1176− }
1177−};
1178−
1179−static JUST: DoubleJet = |ctx, n, m| {
1180− let char = n.as_atom()?;
1181− let nail = m.as_nail()?;
1182− if *nail.rest == ctx.nouns.sig {
1183− Some(fail(nail).as_noun())
1184− } else {
1185− let (i, _) = nail.rest.as_cell()?;
1186− let i = i.as_atom()?;
1187− if i == char {
1188− Some(next(nail)?.as_noun())
1189− } else {
1190− Some(fail(nail).as_noun())
1191− }
1192− }
1193−};
1194−
1195−// static STIR: DoubleJet = |ctx, n, m| {
1196−// let (rud, raq) = n.as_cell()?;
1197−// let (raq, fel) = raq.as_cell()?;
1198−// let tub = m.as_nail()?;
1199−
1200−// let mut lef = Vec::new();
1201−// let mut vex = slam(ctx, fel, tub)?.as;
1202−// if vex.
1203−// };
1204−
1205−fn next<'a>(nail: Nail<'a>) -> Option<Edge<'a>> {
1206− if **nail.rest == Noun::SIG {
1207− Some(fail(nail))
1208− } else {
1209− let (i, t) = nail.rest.as_cell()?;
1210− let zac = lust(i.as_atom()?.clone(), nail.hair);
1211− // cell(zac, cell(Rc::new(Noun::SIG), cell(i, cell(zac, t))))
1212− Some(Edge {
1213− hair: zac.clone(),
1214− result: Some((i, Nail { hair: zac, rest: t })),
1215− })
1216− }
1217−}
1218−
1219−fn lust(char: Atom, hair: Hair) -> Hair {
1220− if char == Atom::from_slice(&vec![10]) {
1221− Hair {
1222− line: hair.line + 1,
1223− column: 1,
1224− }
1225− } else {
1226− Hair {
1227− line: hair.line,
1228− column: hair.column + 1,
1229− }
1230− }
1231−}
1232−
1233−fn fail(nail: Nail) -> Edge {
1234− Edge {
1235− hair: nail.hair,
1236− result: None,
1237− }
1238−}
1239−
1240−const MUG: Jet = |__ctx, n| Ok(Rc::new(Noun::from_u32(n.mug())));
1241−
1242−pub fn mum(syd: u32, fal: u32, key: &Atom) -> u32 {
1243− let wyd = met(3, &key);
1244− let mut i = 0;
1245− loop {
1246− if i == 8 {
1247− break fal;
1248− } else {
1249− let haz = muk(syd, wyd, &key);
1250− let ham = (haz >> 31) ^ (haz & !(1 << 31));
1251− if ham == 0 {
1252− i += 1;
1253− continue;
1254− } else {
1255− break ham;
1256− }
1257− }
1258− }
1259−}
1260−
1261−fn muk(seed: u32, len: u32, key: &Atom) -> u32 {
1262− let key: Vec<_> = key
1263− .to_bytes_le()
1264− .iter()
1265− .take(len as usize)
1266− .cloned()
1267− .collect();
1268−
1269− murmur3_32(&mut &*key, seed).unwrap()
1270−}