async-trait

library0.1.89rscratesunverified

Type erasure for async trait methods

# Cargo.toml
[dependencies]
async-trait = "0.1.89"

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INSTALL

IMPORT

SIG · ASYNC-TRAIT

async-trait

asyncrustv0.1.89

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.

async_trait

✓ use async_trait::async_trait;

Defines an async trait and implements it.

use async_trait::async_trait; #[async_trait] pub trait MyTrait { async fn do_something(&self); } struct MyStruct; #[async_trait] impl MyTrait for MyStruct { async fn do_something(&self) { println!("Done!"); } } #[tokio::main] async fn main() { let s = MyStruct; s.do_something().await; }

Debug

Known issues

gotchaRequires an async runtime (e.g., tokio) to execute the async methods.

fix

Add tokio as a dependency and use #[tokio::main] or another runtime.

affects: >=0.1.0

Upgrade

Version history

0.1.89latest on crates.io

Audit

Dependencies

No dependency data recorded yet.

Agent activity

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Resources

githubhttps://github.com/dtolnay/async-trait ↗

homepagehttps://github.com/dtolnay/async-trait ↗

docshttps://docs.rs/async-trait/ ↗