rust-help-forum

RefMut bit doubt 33 messages

Jan 14, 2026, 8:34 AM Beginner Question

Accidentally ran cargo fmt  on the whole repo — PR has 3000 changes 😭 7 messages

Jan 14, 2026, 4:39 AM Discussion Help

iterating over an enum, `strum` + `enum_dispatch` requires functions that uses `self`. Alternatives? 8 messages

Jan 13, 2026, 2:33 PM Question Solved

[Polars library] trying to find every unique plant genus in a name, suddenly dataframe wont print 5 messages

Jan 13, 2026, 3:13 AM Help Question

my pc sucks 🌲🐓 7 messages

Jan 12, 2026, 1:57 PM Help Question

Software development learning path help 28 messages

Jan 11, 2026, 7:08 PM Help Beginner Discussion

structs with uknown sized types just a clarification 7 messages

Jan 11, 2026, 5:40 AM Discussion

Help doing error handling and `thiserror` crate 2 messages

Jan 10, 2026, 8:48 PM Code Review Request Tooling Help Beginner Help Question

<T:const trait> syntax and .... 4 messages

Jan 10, 2026, 3:08 PM Beginner Discussion

I am on the right track with game asset loading? 61 messages

Jan 10, 2026, 5:39 AM Code Review Request

Structuring state for a game 10 messages

Jan 9, 2026, 7:15 PM Discussion Help Question

unsure how to represent this data (coming from typescript) 43 messages

Jan 9, 2026, 12:38 PM Beginner Help Question Solved

Error handling practices and design? What do you use for your project? 3 messages

Jan 9, 2026, 11:32 AM Beginner Help Question

What is better for backend development thiserror or anyhow? 8 messages

Jan 9, 2026, 11:11 AM Beginner Discussion Question

Test if a struct filled with bools has any set to true? 30 messages

Jan 8, 2026, 6:47 PM Question

Use associated type from another trait? 6 messages

Jan 8, 2026, 2:26 PM Question Solved

How to debug the type checker for a true overflow evaluation? 4 messages

Jan 7, 2026, 7:06 PM Tooling Help Help

can the compiler reject programs that call this function? 6 messages

Jan 6, 2026, 11:37 PM Question Solved

How can I tell the borrow checker that this mutable borrow is ok and the data lives long enough? 11 messages

Jan 6, 2026, 4:01 AM Code Review Request Discussion Question

How to pass AsyncFnOnce to tokio::spawn 2 messages

Jan 5, 2026, 10:30 PM Question Solved

Is this abusing lifetimes? Lifetimes of nested structs containing `&mut` references 41 messages

Jan 5, 2026, 6:32 PM Question Solved

Why does this work? 4 messages

Jan 5, 2026, 8:49 AM Code Review Request Question

Bindgen usize arithmetic issues 19 messages

Jan 4, 2026, 9:51 PM Tooling Help Help Question

Compiler is not complaining about the return types, why? 7 messages

Jan 4, 2026, 6:33 PM Code Review Request Beginner Help Question

dyn Rc/Arc tree structure 14 messages

Jan 4, 2026, 6:43 AM Discussion

Code review request 8 messages

Jan 3, 2026, 10:18 PM Code Review Request Beginner

Lifting dyn out of a generic function's argument? 13 messages

Jan 2, 2026, 10:04 PM Question

Help me to understand Array Slices better 45 messages

Jan 2, 2026, 6:30 PM Beginner Help

How i can use external C lib 6 messages

Jan 2, 2026, 4:45 PM Beginner Help Question

How do you use self in "macro_rules!"? 4 messages

Jan 1, 2026, 8:29 PM Help Question Solved

I think I am reaching a deadlock 9 messages

Jan 1, 2026, 4:56 PM Help

Serializing to RON file using std::io::BufWriter - fmt::Write vs io::Write 2 messages

Dec 31, 2025, 4:35 PM Help Question Solved

how do i use Box<dyn ...> (dynamic dispatching) 5 messages

Dec 31, 2025, 4:28 PM Question

Miri guided tutorials explaining its rules 41 messages

Dec 31, 2025, 2:47 PM Question

futures-signals help! 24 messages

Dec 31, 2025, 2:24 PM Beginner Help

Toolbox 7 messages

Dec 31, 2025, 11:04 AM Code Review Request Beginner Help

Code Review Request for a Small CLI App 4 messages

Dec 31, 2025, 10:09 AM Code Review Request Solved

Help making a reference to arbitrarily nested parts of a data structure 13 messages

Dec 30, 2025, 7:46 PM Help

Rust/C++ interop without static linking 7 messages

Dec 30, 2025, 2:30 AM Tooling Help Help

How to separate library from internal proc-macro crate when publishing to crates.io? 6 messages

Dec 29, 2025, 9:24 PM Tooling Help Help Question

How do you know if two non-owned values of a type that don't implement PartialEq are different? 17 messages

Dec 29, 2025, 8:01 PM Help Question

Default value for field of type std::path::PathBuf 18 messages

Dec 29, 2025, 7:07 PM Help Solved

When you have multiple nested libraries used by an application, how do you find dead code? 5 messages

Dec 29, 2025, 6:50 PM Question

Transitioning from Embedded in C to Embedded Rust (Aerospace Background) 2 messages

Dec 29, 2025, 5:07 PM Beginner Help

Strange errors with ureq when trying to scrape very long divs 8 messages

Dec 29, 2025, 4:04 PM Question

I implemented my own Vector from scratch. 13 messages

Dec 29, 2025, 1:09 PM Code Review Request

How to force assume panics are impossible? 40 messages

Dec 27, 2025, 11:49 PM Question

`-Zbuild-std` without Cargo 6 messages

Dec 26, 2025, 6:12 PM Tooling Help Question

Confusion over Modules 6 messages

Dec 26, 2025, 4:46 AM Help Compiler Error

Sum iterator of options into option 48 messages

Dec 26, 2025, 1:13 AM Question Solved