async-once

library0.2.6rscratesunverified

async once tool for lazy_static

# Cargo.toml
[dependencies]
async_once = "0.2.6"

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INSTALL

IMPORT

SIG · ASYNC-ONCE

async-once

asyncrustv0.2.6

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.

AsyncOnce

✓ use async_once::AsyncOnce;

Initialize a value asynchronously once using AsyncOnce

use async_once::AsyncOnce; use lazy_static::lazy_static; lazy_static! { static ref CONFIG: AsyncOnce<String> = AsyncOnce::new(); } #[tokio::main] async fn main() { let val = CONFIG.get_or_init(|| async { "hello".to_string() }).await; println!("{}", val); }

Debug

Known issues

gotchaRequires an async runtime (e.g., tokio) to call `get_or_init`.

fix

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

affects: >=0.2.0

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Version history

0.2.6latest on crates.io

Audit

Dependencies

No dependency data recorded yet.

Agent activity

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Resources

githubhttps://github.com/hjiayz/async_once ↗

homepagehttps://github.com/hjiayz/async_once ↗

docshttps://docs.rs/async_once/ ↗