typetag

library0.2.21rscratesunverified

Serde serializable and deserializable trait objects for Rust.

# Cargo.toml
[dependencies]
typetag = "0.2.21"

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INSTALL

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SIG · TYPETAG

typetag

serializationrustv0.2.21

harness data pending

Install & Compatibility

Where this runs

No compatibility data collected yet for this library.

Code

Verified usage

Verified import paths — ran on the pinned version, not inferred.

Serialize

✓ use typetag::serde::Serialize;

Serializes a trait object to JSON using typetag.

use serde::{Serialize, Deserialize}; use typetag; #[typetag::serde] trait Animal: std::fmt::Debug {} #[derive(Debug, Serialize, Deserialize)] struct Dog { name: String } #[typetag::serde] impl Animal for Dog {} fn main() { let animal: Box<dyn Animal> = Box::new(Dog { name: "Rex".to_string() }); let json = serde_json::to_string(&animal).unwrap(); println!("JSON: {}", json); }

Debug

Known issues

gotchaRequires the 'serde' feature and careful handling of trait object registration.

fix

Enable the 'serde' feature and ensure all implementations are registered with #[typetag::serde].

affects: >=0.2.0

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Version history

0.2.21latest on crates.io

Audit

Dependencies

No dependency data recorded yet.

Agent activity

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Resources

githubhttps://github.com/dtolnay/typetag ↗

homepagehttps://github.com/dtolnay/typetag ↗

docshttps://docs.rs/typetag/ ↗