Passing extra context data during drop - possible feature discussion


First post here, hope I'm doing this right.

I read an interesting blog post recently describing and proposing a powerful context passing mechanism in the language.

I thought the ideas behind it were very interesting and it inspired me to write my own take on a similar idea that has been bugging me for a while here:

I was wondering if any such feature is in the works, and where would the best place to discuss it be?

There are several good crates for arena allocations : ‘arena’ search //

There are obviously crates for that. I never said pools are not possible in Rust. I said they are possible, they have certain drawbacks and I want to improve on them. What I want to discuss is a way to idiomatically free an allocated object back to its pool at drop time to reduce the possibility for memory leaks.

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