The Rust Programming Language Forum
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Welcome to the Rust programming language users forum
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This forum is for help, discussion, and announcements related to the Rust programming language.
Please read our code of conduct before participating. We will remove any posts that are not respectful, constructive, and o…
54660
June 24, 2022
Forum Code Formatting and Syntax Highlighting
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To format code in this forum you need to surround the code with three backticks (```). For example, typing this...
```
fn main() {
println!()
```
...will be rendered as highlighted Rust code, like so:
fn main() …
49797
May 7, 2020
A "heretic's" view of Rust error-handling
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April 24, 2026
What is the sentiment of vibe coded crates?
community
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2442
April 24, 2026
Code review for Static Pool Allocator
code review
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April 24, 2026
Clap completion question
help
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April 24, 2026
Why is using PhantomData valid in this case?
help
43
April 24, 2026
Lifetime weird case
help
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April 24, 2026
What does it mean for Rustc to run "out of TLS keys"?
help
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April 24, 2026
Discussion on Synchronous Crate Concurrency Refactor using Stackful Coroutines Model in Rust
code review
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April 24, 2026
Undefined Behavior: in-bounds pointer arithmetic failed: attempting to offset pointer by 20 bytes, but got alloc238 which is only 1 byte from the end of the allocation
help
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April 24, 2026
From OOP to Rust – struggling with code organization and data structure design
help
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April 24, 2026
Looking for a pool based allocator
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April 24, 2026
Using async/await internally with no internal runtime, but exposing a nonblocking poll API — is this a reasonable design?
help
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April 24, 2026
Why is this legal?
129
April 24, 2026
Can a future used only by `async fn` assume it won't be polled again after becoming ready?
help
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440
April 24, 2026
Rust task runners
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April 24, 2026
High-performance `fast-powi` crate
code review
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April 23, 2026
Testing functions that use randomness
help
94
April 23, 2026
Rust for C Engineers: Safe Systems Programming
announcements
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April 23, 2026
`cargo-path`: improve coding agents' ability to find Rust documentation
announcements
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April 23, 2026
A random rustc-ice-[...].txt file appeared
help
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April 23, 2026
Type inference of generic parameters
help
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April 23, 2026
Windows - USB device not detected
help
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April 23, 2026
Develop rust where the environment is setup in a docker
help
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April 23, 2026
Unbug 0.5 - Runtime debug assertions
announcements
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April 23, 2026
Are there any object detection libraries out there for the Arduino?
embedded
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April 23, 2026
Is there a tiny error in section 6.2 Reference types?
help
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April 23, 2026
Strange (?) comment in raw_vec
help
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April 23, 2026
Lifetime woes implementing ratatui::Widget for a reference
help
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April 23, 2026
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