Comments (1)
Yes, here is an example. The erased_deserialize_in_place
at the bottom deserializes into a trait object out
without knowing the concrete type of the deserialized value.
use erased_serde::Result;
pub trait ErasedDeserialize<'de> {
fn erased_deserialize_in_place(
&mut self,
de: &mut dyn erased_serde::Deserializer<'de>,
) -> Result<()>;
}
impl<'de, T> ErasedDeserialize<'de> for T
where
T: serde::Deserialize<'de>,
{
fn erased_deserialize_in_place(
&mut self,
de: &mut dyn erased_serde::Deserializer<'de>,
) -> Result<()> {
serde::Deserialize::deserialize_in_place(de, self)
}
}
////////////////////////////////////////////////////////////////////////////////
fn erased_deserialize_in_place<'de>(
out: &mut dyn ErasedDeserialize<'de>,
json: &'de str,
) -> Result<()> {
let mut de = serde_json::Deserializer::from_str(json);
let mut erased = erased_serde::Deserializer::erase(&mut de);
out.erased_deserialize_in_place(&mut erased)
}
fn main() {
let mut value = Vec::<String>::new();
let j = r#" ["x","y","z"] "#;
erased_deserialize_in_place(&mut value, j).unwrap();
println!("deserialized = {:#?}", value);
}
from erased-serde.
Related Issues (20)
- Pick a different data format than `serde_cbor` to use in examples
- Add DynClone as a supertrait for Serialize (behind a feature flag?)
- Applying erased_serde::deserialize twice to same Deseralizer HOT 1
- Stabilizing erased-serde HOT 4
- Expose all traits within ser and de HOT 5
- Why is there no Deserialize trait and macro? HOT 2
- Invalid cast from alloc::string::String to alloc::string::String HOT 1
- Expected Box<dyn erased_serde::Serializer + 'static> HOT 1
- Stack overflow when using serialize_trait_object on trait that does not have Serialize as supertrait
- Broken HOT 1
- Lifetimed Generics no longer works HOT 1
- Will add Deserialize Trait? HOT 1
- Deserialize / DeserializeOwned ? HOT 2
- Implement `serde::Deserialize` on `Box<dyn MyTrait>` HOT 2
- Deeply nested structs consume quadratic stack space HOT 1
- mechanism for erasing a generic S: Serializer in a Serialize implementation? HOT 1
- Make `erased_serde::ser::Ok` public (since it's obtainable through public API) HOT 2
- Expose ser::erase::Serializer HOT 2
- Support `skip_field`
- Implement traits `Deserialize` and `DeserializeOwned` in the crate HOT 3
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from erased-serde.