init_once

The init_once crate provides a mechanic to attempt to read a value without blocking the caller, in case it is being initialized concurrently. Such an abstraction might be useful in cache implementations whose consumers might not want to block on the cache to fill up with data.

lib.rs:

The init_once crate provides a mechanic to attempt to read a value without blocking the caller, in case it is being initialized concurrently. Such an abstraction might be useful in cache implementations whose consumers might not want to block on the cache to fill up with data.