cgp_serde/providers/
try_from.rs

1use core::fmt::Display;
2
3use cgp::prelude::*;
4use serde::de::Error as _;
5use serde::ser::Error as _;
6
7use crate::components::{
8    CanDeserializeValue, CanSerializeValue, ValueDeserializer, ValueDeserializerComponent,
9    ValueSerializer, ValueSerializerComponent,
10};
11
12pub struct TrySerializeFrom<Target>(pub PhantomData<Target>);
13
14#[cgp_impl(TrySerializeFrom<Target>)]
15#[uses(CanSerializeValue<Target>)]
16impl<Value, Target> ValueSerializer<Value>
17where
18    Value: Clone + TryInto<Target, Error: Display>,
19{
20    fn serialize<S>(&self, value: &Value, serializer: S) -> Result<S::Ok, S::Error>
21    where
22        S: serde::Serializer,
23    {
24        let target = value.clone().try_into().map_err(S::Error::custom)?;
25        self.serialize(&target, serializer)
26    }
27}
28
29#[cgp_impl(TrySerializeFrom<Source>)]
30#[uses(CanDeserializeValue<'a, Source>)]
31impl<'a, Value, Source> ValueDeserializer<'a, Value>
32where
33    Source: TryInto<Value, Error: Display>,
34{
35    fn deserialize<D>(&self, deserializer: D) -> Result<Value, D::Error>
36    where
37        D: serde::Deserializer<'a>,
38    {
39        let target = self.deserialize(deserializer)?;
40        target.try_into().map_err(D::Error::custom)
41    }
42}
cgp_serde/providers/try_from.rs

cgp_serde/providers/
try_from.rs
