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slotmap reviews and mentions
Tree Borrows - A new aliasing model for Rust
6 projects | /r/rust | 28 Mar 2023
It looks like .get_disjoint_mut() from slotmap failed under stacked borrows, but seems to pass under tree borrows
Hey Rustaceans! Got a question? Ask here (5/2023)!
19 projects | /r/rust | 30 Jan 2023
Dunno about existing implementations, but it looks like it's a feature they'd accept: https://github.com/orlp/slotmap/issues/73
Unsafe is a bad practice?
11 projects | /r/rust | 28 Jun 2022
It's actually quite easy.
Rust is more portable than C for pngquant/libimagequant
7 projects | /r/rust | 4 Jan 2022
Hey Rustaceans! Got an easy question? Ask here (50/2021)!
4 projects | /r/rust | 14 Dec 2021
You can use either slot map or slab to side step rust borrow checker. Example https://github.com/orlp/slotmap/blob/master/examples/rand_meld_heap.rs
Rust data structures with circular references
3 projects | news.ycombinator.com | 13 Nov 2021
I don't know, only have some theories.
1. The name isn't particularly catchy or descriptive. It is the correct name for the data structure, but not too many people know the data structure.
2. People don't even know what they're missing. It's not a very Google-able problem to begin with. Slotmap provides an interesting solution to (circular) ownership and safe allocator / weak pointer design problems, but people don't recognize that they're having them or that slotmap could help.
As an example of this, the doubly linked list example (https://github.com/orlp/slotmap/blob/master/examples/doubly_...) can safely remove nodes from the linked list given their handle, in O(1), even from the middle, completely safely and correctly, even in the presence of double deletions or ABA memory re-use. You can't replicate this with just pointers, without introducing heavy refcounting solutions.3 projects | news.ycombinator.com | 13 Nov 2021
Similar to the second approach, you can have better ergonomics and performance by using a memory arena library like slotmap. A doubly linked list implemented using slotmap: https://github.com/orlp/slotmap/blob/ce6e1e02bb2c2074d8d581e...
Is it possible to write anything using 100% safe Rust?
4 projects | /r/rust | 5 Aug 2021
Nope, it's perfectly safe: https://github.com/orlp/slotmap/blob/master/examples/doubly_linked_list.rs.
Syncing HashMap values amongst User
2 projects | /r/rust | 6 Jul 2021
I think keeping the relationship between child and parent elements in the node graph might be better accommodating better via a psuedo-ECS system, see https://www.reddit.com/r/rust/comments/cnjhup/idiomatic_way_to_reference_parent_struct/. The https://github.com/orlp/slotmap crate looks promising. I think I'm just going to ditch the global shared HashMap in favor of something that can better accommodate child/parent relations.
Beginner question: does it become easier to write datastructures with complex ownership semantics?
2 projects | /r/rust | 14 Apr 2021
I think the slotmap crate is similar to what you're trying to write: https://github.com/orlp/slotmap
A note from our sponsor - InfluxDB
www.influxdata.com | 8 Jun 2023
orlp/slotmap is an open source project licensed under zlib License which is an OSI approved license.
The primary programming language of slotmap is Rust.