ssi_core/
de.rs

1use std::marker::PhantomData;
2
3use serde::{de::DeserializeSeed, Deserialize};
4
5pub trait DeserializeTyped<'de, T>: Sized {
6    fn deserialize_typed<S>(type_: &T, deserializer: S) -> Result<Self, S::Error>
7    where
8        S: serde::Deserializer<'de>;
9}
10
11impl<'de, T: Deserialize<'de>, C> DeserializeTyped<'de, C> for T {
12    fn deserialize_typed<S>(_: &C, deserializer: S) -> Result<Self, S::Error>
13    where
14        S: serde::Deserializer<'de>,
15    {
16        T::deserialize(deserializer)
17    }
18}
19
20pub struct WithType<'a, T, U>(&'a T, PhantomData<U>);
21
22impl<'a, T, U> WithType<'a, T, U> {
23    pub fn new(type_: &'a T) -> Self {
24        Self(type_, PhantomData)
25    }
26}
27
28impl<'de, T, U: DeserializeTyped<'de, T>> DeserializeSeed<'de> for WithType<'_, T, U> {
29    type Value = U;
30
31    fn deserialize<D>(self, deserializer: D) -> Result<Self::Value, D::Error>
32    where
33        D: serde::de::Deserializer<'de>,
34    {
35        U::deserialize_typed(self.0, deserializer)
36    }
37}
38
39pub trait DeserializeTypedOwned<T>: for<'de> DeserializeTyped<'de, T> {}
40impl<T, U> DeserializeTypedOwned<T> for U where U: for<'de> DeserializeTyped<'de, T> {}
ssi_core/de.rs

ssi_core/
de.rs
