In Rust 1.73.0, it'll be easier to use thread_local Cells and RefCells

Toot :

🦀 In #rustlang 1.73.0 (to be released on October 5th), it'll be easier to use thread_local Cells and RefCells: the set, get, replace, take, and with_borrow[_mut] methods will be directly available on the thread local, removing the need for the usual .with(|_| …) pattern: 1/2

The new .set() method can be more efficient than .with(|x| x.set()), because it skips the step where the first call to with initializes the variable. The option to skip the default initializer can be very useful in some situations:

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