git.delta.rocks / jrsonnet / refs/commits / db1fd8f12920

34	}34	}
35}35}
36trait ArrayCheap {36trait ArrayCheap {
37	fn get(&self, index: u32) -> Option<Val>;37	fn get32(&self, index: u32) -> Option<Val>;
38	fn len(&self) -> u32;38	fn len32(&self) -> u32;
39}39}
40impl<T> ArrayLike for T40impl<T> ArrayLike for T
41where41where
42	T: Any + Trace + Debug + ArrayCheap,42	T: Any + Trace + Debug + ArrayCheap,
43{43{
44	fn len32(&self) -> u32 {44	fn len32(&self) -> u32 {
45		<T as ArrayCheap>::len(self)45		<T as ArrayCheap>::len32(self)
46	}46	}
4747
48	fn get32(&self, index: u32) -> Result<Option<Val>> {48	fn get32(&self, index: u32) -> Result<Option<Val>> {
49		Ok(<T as ArrayCheap>::get(self, index))49		Ok(<T as ArrayCheap>::get32(self, index))
50	}50	}
5151
52	fn get_lazy32(&self, index: u32) -> Option<Thunk<Val>> {52	fn get_lazy32(&self, index: u32) -> Option<Thunk<Val>> {
53		<T as ArrayCheap>::get(self, index).map(Thunk::evaluated)53		<T as ArrayCheap>::get32(self, index).map(Thunk::evaluated)
54	}54	}
5555
56	fn is_cheap(&self) -> bool {56	fn is_cheap(&self) -> bool {
59}59}
6060
61impl ArrayCheap for () {61impl ArrayCheap for () {
62	fn len(&self) -> u32 {62	fn len32(&self) -> u32 {
63		063		0
64	}64	}
65	fn get(&self, _index: u32) -> Option<Val> {65	fn get32(&self, _index: u32) -> Option<Val> {
66		None66		None
67	}67	}
68}68}
99}99}
100100
101impl ArrayCheap for IBytes {101impl ArrayCheap for IBytes {
102	fn len(&self) -> u32 {102	fn len32(&self) -> u32 {
103		arridx(self.as_slice().len())103		arridx(self.as_slice().len())
104	}104	}
105	fn get(&self, index: u32) -> Option<Val> {105	fn get32(&self, index: u32) -> Option<Val> {
106		self.as_slice()106		self.as_slice()
107			.get(index as usize)107			.get(index as usize)
108			.map(|v| Val::Num((*v).into()))108			.map(|v| Val::Num((*v).into()))
109	}109	}
110}110}
111111
112impl ArrayCheap for Rc<Vec<TrivialVal>> {112impl ArrayCheap for Rc<Vec<TrivialVal>> {
113	fn get(&self, index: u32) -> Option<Val> {113	fn get32(&self, index: u32) -> Option<Val> {
114		self.as_slice()114		self.as_slice()
115			.get(index as usize)115			.get(index as usize)
116			.map(|tv| tv.clone().into())116			.map(|tv| tv.clone().into())
117	}117	}
118118
119	fn len(&self) -> u32 {119	fn len32(&self) -> u32 {
120		arridx(self.as_slice().len())120		arridx(self.as_slice().len())
121	}121	}
122}122}
353	}353	}
354}354}
355impl ArrayCheap for RangeArray {355impl ArrayCheap for RangeArray {
356	fn get(&self, index: u32) -> Option<Val> {356	fn get32(&self, index: u32) -> Option<Val> {
357		self.range().nth(index as usize).map(|i| Val::Num(i.into()))357		self.range().nth(index as usize).map(|i| Val::Num(i.into()))
358	}358	}
359	fn len(&self) -> u32 {359	fn len32(&self) -> u32 {
360		self.size()360		self.size()
361	}361	}
362}362}