theweipeng opened a new pull request, #1795:
URL: https://github.com/apache/fury/pull/1795
## What does this PR do?
1. Support polymorphism
Add a class resolver which is used for managing the relationship between
type_id and serializer. The serializer is generated by a generic function which
will be called by dynamic dispatch. When a struct uses `Box<dyn Any>` as a
field type and does not specify the specific type, we will use the class
resolver to load the handler by type_id. In this situation, there is some
performance overhead due to hash lookup, but it greatly improves convenience.
Use as follow:
```Rust
#[test]
fn any() {
#[derive(Fury, Debug)]
struct Animal {
f3: String,
}
#[derive(Fury, Debug)]
struct Person {
f1: Box<dyn Any>,
}
let person = Person {
f1: Box::new(Animal {
f3: String::from("hello"),
}),
};
let mut fury = Fury::default();
fury.register::<Animal>(999);
fury.register::<Person>(1000);
let bin = fury.serialize(&person);
let obj: Person = fury.deserialize(&bin).expect("");
assert_eq!(true, obj.f1.is::<Animal>())
}
```
2. Add a register function for user to register Struct and id
3. Remove tag and hash which were generate by macro before and were removed
in our protocol now.
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