969b669 · wock · git.iko.soy

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rip

969b669iko2 years ago

nock/src/jets.rs+19

@@ -73,6 +73,7 @@ pub fn generate_jets() -> Jets {

73 (49642221456321333759873032692286222867, RAP),

74 (92956425869648916777812729456192604084, REP),

75 (302196507237993702819920888576650809366, REV),

76+ (111192034817574564051316537756194881830, RIP),

76 ])

77 ])

77}

78}

@@ -732,3 +733,21 @@ static REV: Jet = |ctx, n| {

732

733

733 Rc::new(Noun::Atom(target))

734 Rc::new(Noun::Atom(target))

734};

735};

736+

737+static RIP: Jet = |ctx, n| {

738+ let (bite, b) = n.as_cell().unwrap();

739+ let bite = bite.as_bite().unwrap();

740+ let mut b: Atom = b.as_atom().unwrap().clone();

741+

742+ let bits = bite.bits();

743+ let mask = (&ctx.big_uints.one << bits) - &ctx.big_uints.one;

744+

745+ let mut target = Vec::new();

746+

747+ while b > ctx.big_uints.zero {

748+ target.push(Rc::new(Noun::Atom(&mask & &b)));

749+ b = b >> bits;

750+ }

751+

752+ Noun::list_refs(target.iter().cloned())

753+};