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In Rust 1.73.0, it'll be easier to use thread_local Cells and RefCells (hachyderm.io)

submitted 1 year ago by [email protected] to c/[email protected]

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[–] [email protected] 5 points 1 year ago (2 children)

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:

2/2

[–] [email protected] 4 points 1 year ago (1 children)

spez?

[–] [email protected] 2 points 1 year ago

Lol not a great name choice. Wish I would have thought of it though.