core_json_traits/
sequences.rs

1#[cfg(feature = "alloc")]
2use alloc::{vec, vec::Vec};
3
4use crate::{BytesLike, Stack, JsonError, Value, JsonDeserialize, JsonStructure, JsonSerialize};
5
6impl<T: 'static + Default + JsonDeserialize, const N: usize> JsonDeserialize for [T; N] {
7  fn deserialize<'bytes, 'parent, B: BytesLike<'bytes>, S: Stack>(
8    value: Value<'bytes, 'parent, B, S>,
9  ) -> Result<Self, JsonError<'bytes, B, S>> {
10    let mut res: Self = core::array::from_fn(|_| Default::default());
11    let mut iter = value.iterate()?;
12    let mut i = 0;
13    while let Some(item) = iter.next() {
14      if i == N {
15        Err(JsonError::TypeError)?;
16      }
17      res[i] = T::deserialize(item?)?;
18      i += 1;
19    }
20    if i != N {
21      Err(JsonError::TypeError)?;
22    }
23    Ok(res)
24  }
25}
26impl<T: 'static + Default + JsonDeserialize, const N: usize> JsonStructure for [T; N] {}
27
28#[cfg(feature = "alloc")]
29impl<T: 'static + JsonDeserialize> JsonDeserialize for Vec<T> {
30  fn deserialize<'bytes, 'parent, B: BytesLike<'bytes>, S: Stack>(
31    value: Value<'bytes, 'parent, B, S>,
32  ) -> Result<Self, JsonError<'bytes, B, S>> {
33    let mut res = vec![];
34    let mut iter = value.iterate()?;
35    while let Some(item) = iter.next() {
36      res.push(T::deserialize(item?)?);
37    }
38    Ok(res)
39  }
40}
41#[cfg(feature = "alloc")]
42impl<T: 'static + JsonDeserialize> JsonStructure for Vec<T> {}
43
44impl<T: JsonSerialize> JsonSerialize for [T] {
45  fn serialize(&self) -> impl Iterator<Item = char> {
46    core::iter::once('[')
47      .chain(self.iter().enumerate().flat_map(|(i, elem)| {
48        let last_item = (i + 1) == self.len();
49        elem.serialize().chain((!last_item).then(|| core::iter::once(',')).into_iter().flatten())
50      }))
51      .chain(core::iter::once(']'))
52  }
53}
54impl<T: JsonSerialize, const N: usize> JsonSerialize for [T; N] {
55  fn serialize(&self) -> impl Iterator<Item = char> {
56    self.as_slice().serialize()
57  }
58}
59
60#[cfg(feature = "alloc")]
61impl<T: JsonSerialize> JsonSerialize for Vec<T> {
62  fn serialize(&self) -> impl Iterator<Item = char> {
63    self.as_slice().serialize()
64  }
65}
core_json_traits/sequences.rs

core_json_traits/
sequences.rs
