Collectives™ on Stack Overflow
Find centralized, trusted content and collaborate around the technologies you use most.
Learn more about Collectives 0votes
1answer
38views
Dropping optional borrow in structure
I am writing a scripting language in rust, and I'm pretty new to the language.When I compile source into byte code I move the compiled symbols (Chunk) out of the function.I am also lazy and don't ...
0votes
0answers
43views
Spawning multiple Web Assembly thread worker is slow on chrome unless Devtools is opened
I made an application that runs a very compute heavy operation when user clicks a button.This expensive operation is ran from a web assembly worker compiled with Rust. It can spawn multiple workers....
- 27
0votes
0answers
64views
trait bound error when using jsonref crate
I'm using jsonref crate which internally uses rustls crate. When compiling rustls crate it fails in QNX platform, but builds successfully in Linux platform. Below is the error messageError2025-11-...
- 4,146
3votes
0answers
76views
Returning mutable references and lifetime in rust [duplicate]
I am trying to develop a linear algebra library in rust. So, as part of it I am writing code that iterates through a n-dimensional array and returns mutable references. It's like writing a view for a ...
Best practices
3votes
9replies
130views
Calling associated fuction on a complex type
I want to write T::associated_function(..) but sometimes T is too verbose to write, like a long tuple.Is there any way to avoid writing the full T?pub trait Param { fn encode_type(out: &mut ...
- 1,329
1vote
1answer
91views
Rust cargo doesn't throw error for invalid search paths present in build.rs
I have a build.rs file in my project which contains code of library search paths and library linking. However, if I specify library search paths that doesn't exist in build.rs, it doesn't throw any ...
- 4,146
4votes
2answers
123views
Rust global variable lifetime safety
This is a pattern I want to be able to use in my code to have global variables that contain non-static references. Is it memory safe? If not, how can I make it so?use std::cell::Cell;pub struct ...
- 115
1vote
0answers
39views
How do I create a lazy asset loader in bevy?
I want to load assets from a custom zip-like format, or even GoldSrc WAD3 files.My initial attempt was to use a custom AssetLoader, but I'm not feeling comfortable having to load the entire file's ...
2votes
0answers
119views
Rust language server not working in neovim [closed]
I just started using neovim. I could get the lua language server to work but not the rust language server (rust-analyzer). When I open a rust file like hello.rs I get the errorLSP [rust_analyzer] ...
- 189
-3votes
1answer
81views
How to deference JSON data references using jsonref crate
This is a follow up of my previous post. As suggested, I tried using jsonref crate to de-reference references present in a JSON file. Unfortunately, I'm not getting de-referenced output.main.rsuse ...
- 4,146
0votes
1answer
121views
How do I take a `Pin<Box<T>>` from a struct in a method that consumes that struct?
Let's say I've got a struct that contains a pinned pointer to a boxed T and is Drop:struct S<T> { t: Pin<Box<T>>,}impl<T> Drop for S<T> { // ...}How do I ...
- 7,875
0votes
0answers
80views
rdkafka::message::ToBytes is not implemented for `&str`
I am trying to write a Rust program which generates random FX data and sends it to a Kafka topic.The code I have written so far is quite short. It does not currently compile.use rdkafka;use rand;...
- 18.7k
1vote
1answer
72views
Rust generic type results in trait not found anymore
Rust newbie here.The following code throws a compiler error:#![feature(portable_simd)]use std::simd::Simd;use std::simd::SimdElement;fn test_mul<T: SimdElement, const N: usize>(x: [T; N]) ...
- 121
Best practices
0votes
1replies
70views
rust compilation profile check at build-time
tl;dr how do I get my project's build profile at build-time so I can branch on it?I have a custom profile for my rust project called myprofile. My Cargo.toml has[profile.myprofile]I build the ...
- 7,289
1vote
1answer
85views
Cause of AlignmentMismatch error while using bytemuck?
I'm facing an AlignmentMismatch error while trying to cast a Vec<u8> to Vec<T>, where T is a struct that uses repr(C) and Pod + Zeroable.I've also tried the slice road &[u8] -> &...
- The Overflow Blog
- Featured on Meta
Hot Network Questions
- Will this this schematic modification work?
- Simple current source with bjt
- how to define an expandable key-value command?
- Why do my Raspberry Pi 5 SD cards have unwritable partition tables?
- Soft drinks in my office’s community fridge keeps disappearing. How to deal with this?
- When exactly does the game clock start during an American football kickoff?
- Murphy's Theorem 3.3.2 on positive linear functionals
- MinMaxStack - tracks minimum and maximum values
- Number of subgroups in a semidirect product
- What does E.T. mean in E.T. the Extra-Terrestrial?
- Condensation of water droplets on one side of a bottle!
- When was the symbol "U" first used to denote voltage or electric potential difference?
- The Airbus A320 that pitched down due to solar radiation recently. Why did that happen? I thought the computers vote the corrupted one out and ignore?
- stim: why would order of CNOT operations affect detectors
- Why did I freeze to death even though I had cold resistance?
- To pretwist or not between two solids and one stranded?
- Are the lampstands the same in Rev 11 and Zec 4?
- What damages are recoverable for late delivery of a package?
- How many Runway Holding Position markings are needed?
- Define Min and Max Values in Geometry Nodes Relatively to Another Mesh
- Do customizable blank-slate protagonists limit the narrative potential of action RPGs?
- Testing binary data for statistical independence
- Can you help me identify this location from 1918?
- Creating a spiral