Questions tagged [rust]
Rust is a systems programming language focused on three goals: safety, speed, and concurrency. It maintains these goals without needing a garbage collector, making it a useful language for a number of use cases other languages aren't good at: embedding in other languages, programs with specific space and time requirements, and writing low-level code, like device drivers and operating systems.
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Prime sieve in Rust
Using Sieve of Eratosthenes, I created a function that returns a vector of primes up to given limit.
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thread creation and termination design pattern in rust
I am new to rust and come from a Java background. Currently I'm trying to imitate the java methodology of thread creation using ...
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Create bash ranges from integer sequences
The following code is meant to generate ranges from arbitrary integer sequences and print them in a bash-like syntax:
main.rs
...
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Learning rust by writing a calculator
As the title suggests, I'm learning rust. My go to starter project when learning a language is to write a calculator. It's relatively simple, but complex enough that you will need to utilize many ...
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Parallelization of the tick function in a Game of Life simulation using Rust and Python (+ NumPy)
I've been writing a small Rust module recently with the sole purpose of speeding up my Python program, which is a Conway's Game of Life simulation. The function written in Rust is called from Python ...
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Complex numbers implementation in Rust
I am learning object oriented programming in Rust. I created my own struct for complex numbers. Could you please review and answer my questions:
Is it possible to implement C++-like default ...
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Deciding between rust-specific and conventional syntax
I am learning Rust by implementing a series of simple modules which I tend to use a lot in other languages. One of them describes simple methods done on intervals (union, intersection, etc). Here I ...
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Rust: Looping over every file in a directory, collecting and modifying filenames and metadata
I'm building a simple blog with Axum and Rust, mainly to practice Rust. I find myself finding working solutions to the things I want to do, but I don't like the end result of my code, it doesn't feel ...
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Sort by parity in rust
I am learning sorting in rust. I want to sort vector as such that even numbers go first
My code is OK. But can it be improved (I want to use sort function)?
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Checking which programs are used for scripting
I have a directory where there are some script files, some binary files, and some subdirectories. I have tried to write a program which gets names of all files in directory, and excludes if they are ...
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Merge Sorted Array in Rust
I was solving this task https://leetcode.com/explore/learn/card/fun-with-arrays/525/inserting-items-into-an-array/3253/
The main idea is to merge two sorted arrays (more details in the site)
Example:
<...
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Tauri/Rust small program to upload files with use of threads and openssh
First time I'm using Rust in one of my programs and I feel a lot can be improved. I don't have any colleagues / friends that already used Rust so this is the only way to get some validation that it's ...
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Checking if a graph is fully connected
After reading the rust book for some time I decided to create my first program which implements a graph.
There are a few things I was wondering about, such as if the file structure is appropriate (the ...
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Find the longest palindromic subsequence - Using a hashmap in Rust
This is a leetcode question which I wanted to solve using Rust as I'm learning Rust at the moment. I would appreciate some feedback on how to write it idiomatically.
Link to the question: https://...
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C# wrapper that binds to Rust FFI, for the purpose of running CavalierContours functions in Unity
I have attempted to write c# bindings for a Rust library. I have never worked with unmanned code / languages before. Superficially this code does work with no apparent bugs or memory leaks.
I want to ...
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End to End testing of user interaction in Rust
I am interested in any kind of possible improvement to this method of testing a Rust program with user interaction in an end-to-end manner (simulating user input and asserting a certain program output ...
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piglatin exercise in rust
This is my attempt to make the exercise suggested at the end of this chapter of rust's official tutorial
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Fahrenheit <=> Celsius converter in Rust
It's one of the tasks suggested in the Rust Programming Language book by Steve Klabnik and Carol Nichols, and to a complete Rust newbie like me, figuring out converting scale from ...
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First attempt using Rust, to create a simple API backing onto a JSON file
I'm trying to learn Rust, and have taken a stab at it by create a REST API, that stores the data in a local JSON file. Before I get deeper into things I'd like some feedback on if I'm doing things in ...
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Calculating the median and mode of a list of integers
Going through the Rust book for the second time as I've been wrapped up in Typescript for a while and I want to build a personal project in Rust.
In chapter 8.3, there's an exercise:
Given a list of ...
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Binary adder implemented in Rust
I implemented a ripple carry adder in Rust. The function takes and outputs strings of 1s and 0s.
How can I improve this ...
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Fast approximate sin/cos function in Rust
Over the past month or so, I’ve been trying to create an extremely fast, platform agnostic, auto-vectorizing sin/cos function for fun. I initially started with sleef-rs’s fast sin function, and ...
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Rust implementation of Hangman
I created a rust implementation of hangman as a command line version. The user can enter characters to find out the desired word.
I really appreciate any helpful comment which highlights how I could ...
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Dynamically serializing a subset of struct fields to JSON in Rust
I have a struct which, depending on options, I want to serialize to json with different subsets of the fields. However, my existing solution leads to a large amount of hard-to-maintain boilerplate. I'...
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Data Oriented Raytracing In a Weekend in Rust
I've been learning about Data Oriented Programming, and when trying to implement this simple Raytracer, I decided to do it in this manner using Rust. This is also in the context of an optimisation ...
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HTTP server stress tester in Rust
I wrote the following HTTP server stress tester in Rust. My actual goal was to write an efficient template for writing load testers, so I can swap out the inner loop to do e.g. requests to a Redis ...
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Implement Seek on /dev/stdin file descriptor in Rust
Problem: In order to be able to use the arrow crate's infer_file_schema function with input piped to ...
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Find factor pairs of an integer in Rust
I'm trying to efficiently generate all pairs of factors of a number n.
For example, when n=27, the factor pairs are (1, 27), (3, 9), (9, 3), (27, 1)
The order in which the pairs are found is not ...
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RUST-based weather logger. Makes HTTP request to get a JSON and write to .csv
I've recently attempted to get into rust. I thought I would try convert my weather logging app from python to rust to maybe save some CPU cycles on my little Raspberry Pi.
I have a little ESP8266 with ...
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Smoothed Particle Hydrodynamics in Rust - Rev 2
So, I've already had this reviewed once here and having implemented the changes (save multithreading), I was wondering what people thought now.
A summary of the changes:
I've fixed the broken attempt ...
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Implementing a function that takes in 2 collections of strings and compares them as if they are unordered in Rust
I'm new to Rust and I would like to implement a function to compare 2 collections of strings. The function should compare them as if they are unordered.
In Python, I would implement something like ...
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Vector with small internal buffer
I implemented a vector with small inline storage to avoid allocation when the size is small.
I am still new to Rust, so I have no idea how good this is. I tried to match ...
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Idiomatic builder pattern in Rust
I have a couple of questions regarding how builder should be implemented idiomatically in Rust when it's necessary to call its parts depending on some flags.
Here's my take on three different designs ...
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DFS Maze Solver
I am new to Rust Programming so I decided to implement a Maze Solver using DFS. I was wondering if there is any way to optimize this code further
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Smoothed Particle Hydrodynamics in Rust
So I'm simultaneously learning both Rust and Smoothed Particle Hydrodynamics.
I've been using this video from AMD as a reference and the provided smoothing kernels.
At this stage, I've not optimised ...
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Quickly create polars data frame from 2D ndarray
I am sampling from m normal distributions n times each, and storing the samples in a 2-dimensional ndarray. I then need to turn this into a polars dataframe as I need to add some string columns and do ...
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Rust - implementation of multiple type of graphs with shared code
I am trying to improve my Rust coding skills. One thing which I find hard to tackle is how to shift from a polymorphism you can observe in e.g. Python to sth. similar in Rust?
Let me give you a ...
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Rust Book Chapter 8 - Text interface for employee management
Using a hash map and vectors, create a text interface to allow a user to add employee names to a department in a company.
For example, “Add Sally to Engineering” or “Add Amir to Sales.”
Then let the ...
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Improving efficiency of Rust algorithm ported from Python generator
I'm learning Rust by solving ProjectEuler problems.
To this end, I am trying to port a solution to problem 88 (link) in Python that heavily relies on generators to Rust (which doesn't have generators)....
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Programming Language Source Lexer
I have a lexer (program that turns source code into tokens) written in Go that I am re-writing in Rust.
The lexer should take in a sequence of tokens, generally different special characters, integers, ...
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rust sort numbered directories (non-lexicographical)
I am very new to rust and have been reading up and playing around to get a better understanding. I was trying to replicate a small task that I have done via bash scripting before, as a way to ...
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Text to image steganography
This simple implementation hides text secrets (S) in images by manipulating the least significant bits (lsb) on Pixels.
How it works
When encrypting I take a three pixel "chunk" for each ...
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Procedurally generated 2D grid module implemented in Rust
I've got this Rust module which implements a procedurally-generated module that operates on a 2D grid (implemented as a vector of vectors). However, I'm not sure if its idiomatic Rust or how efficient ...
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Rust: Splitting a mutable slice into disjoint, but non-contiguous subslices
For some context, this is inspired by my attempt to solve this SO question.
I have a mutably borrowed slice representing a 2D array, and I want to split the borrow such that I can access all the rows ...
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Rust state-machine lexer
I tried implementing a lexer in rust that peeks ahead at the next character and makes a decision based on that.
However, i am told that this is bad practice, and instead i should be using finite-state-...
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Finding the Median and Mode of a slice in Rust
Overview
I’m trying to learn Rust, so I’m reading The Rust Programming Language. At Chapter 8, there was a task to write a program that calculates the median and mode of a bunch of numbers. I ...
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Generic Monte Carlo Tree Search implementation in Rust
I'm working on a project where I need a strong AI for a combinatoric game, and decided to go with Monte Carlo Tree Search because the specific game will be original to the project - no good heuristics ...
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supporting unicode in rust lexer
I am working on a lexer in rust.
It has been through many different iterations, going from iterating over a Vec<char> to ...
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What do you think about this code for functions that take both pool and transaction?
I'm trying sqlx for the first time these days, sorry if this is a dumb question.
I'm writing a function that I want to take both PgPool and ...
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