The daily ledger

As_str for integers

I'm looking for ways to have str representations of ranges of integers without allocating. My current best attempt is to manually match on each value: match i { 0 => "0", 1 => "1", 2 => "2", ... n => "n" } which works,…

For the life of me I have no idea why this just produces 52 byte slop each time

use asset_importer::{Importer, Vector3D}; use bytemuck::{Pod, Zeroable, cast_slice}; use clap::{Parser, Subcommand}; use glam::{Vec2, Vec3}; use speedy::Writable; #[derive(Parser)] #[command(name = "")] #[command(about…

Cannot borrow as mutable variable created with "let mut"

I'm trying to write a test and running into a problem. Here's the code: fn test_mix3parts_1(plain:&[u8],cipher:&[u8]) { let mut text_copy=plain.clone(); let len=plain.len(); let third=len/3; let…

Can I create cyclic dependencies in docs?

I have a crate with some common types in it, and various crates that depend on it and use these common types. If I push the common types into the dependencies, I end up with a cyclic dependency graph, and cargo build…

Which are the best blogs or resources to learn async/await in Rust?

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[generic_const_exprs] Support for basic field access for structs and tuples

The following situation happens often: I have a wrapper type around a multidimensional array. I want to make the type generic over the specific dimensions. I want to pack all dimensions into one parameter, so that large…

Into and As and Generic Type Constraints

hi, I'm having trouble with type constraints. In this example into() fails but casting with as works: fn example() { let a: u64 = 0; let b: f64 = a.into(); // Error - From<u64> not satisifed let c: f64 = a as f64; //…

Stabilizing Rust's never type

Gloo + Yew for persistent webapp state

Unsizing unsized values

Rust Control Flow in Practice - Build a Number Guessing Game

The State of Allocators in 2026 - 6 Months Later

Speeding up gearhash on ARM64 (2× faster)

Let's build a compressor from scratch

Rust Trends Issue 81 - Rust 1.98 Ships as the Supply Chain Gets Tested

Searching through 150 GiB of Text per Second with SIMD

Reverse engineering my e-scooter and rewriting the firmware in rust

Microcontrollers with good support for Rust

What Rust's +simd128 Actually Changed in My WebAssembly

Visualizing Rust's Vtables: How dyn Trait Works In Memory