Registry / async / async-recursion

async-recursion

library1.1.1rscratesunverified

Procedural macro for writing recursive async functions.

# Cargo.toml
[dependencies]
async-recursion = "1.1.1"

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INSTALL

IMPORT

SIG · ASYNC-RECURSION

async-recursion

asyncrustv1.1.1

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_recursion

✓ use async_recursion::async_recursion;

Example of a recursive async function using the async-recursion macro.

use async_recursion::async_recursion; #[async_recursion] async fn factorial(n: u64) -> u64 { if n == 0 { 1 } else { n * factorial(n - 1).await } } #[tokio::main] async fn main() { println!("{}", factorial(5).await); }

Debug

Known issues

gotchaRequires an async runtime like tokio or async-std to execute the async function.

fix

Add an async runtime and use #[tokio::main] or similar attribute.

affects: >=1.0.0

Upgrade

Version history

1.1.1latest on crates.io

Audit

Dependencies

No dependency data recorded yet.

Agent activity

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Resources

githubhttps://github.com/dcchut/async-recursion ↗

homepagehttps://github.com/dcchut/async-recursion ↗

docshttps://docs.rs/async-recursion/ ↗