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Jank is C++
jank is Clojure. jank is C++. The combination is amazing.
New
The latest blog posts to take off on Hacker News. 375 posts.
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Tree Borrows
external page Neven Villani , external page Johannes Hostert , external page Derek Dreyer , external page Ralf Jung
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Phrase origin: Why do we "call" functions?
On StackExchange, someone asks why programmers talk about “calling” a function. Several possible allusions spring to mind: Calling a function is like calling on a friend — we go, we stay a while, we come back. Calling a function is like calling for a servant — a summoning to perform a task. Calling a function is like…
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Building the Rust Compiler with GCC
If you know one thing about me, it is that I love working on the Rust compiler. Some people kayak, travel or play guitar - and I stare at assembly, trying to figure out what I broke.
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Exploring Coroutines in PHP
Coroutines are functions that pause and resume with state, allowing flexible, bidirectional control flow in PHP.
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# [derive(Clone)] Is Broken
Not just `#[derive(Clone)]`, but all of the standard trait derives are
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Features of D That I Love
This is a beginner-friendly post exploring some of my favourite parts of the D programming language , ranging from smaller quality of life stuff, to more major features.
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I write type-safe generic data structures in C
See my follow-up article: “A Fast, Growable Array With Stable Pointers in C” I write type safe generic data structures in C using a technique that I haven’t seen elsewhere1. It uses unions to associate type information with a generic data structure, but we’ll get to that. My approach works for any type of data…
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The provenance memory model for C
[The wordpress markdown inclusion does a very bad job, it seems, there have been some idiotic formatting errors. I hope that these are fixed, now.] A years-long effort led by Kayvan Memarian and Pe…
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Error handling in Rust
A blog, mostly about programming
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Solving `Passport Application` with Haskell
Using logic programming to beat the game
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Weird Expressions in Rust
Rust has a very powerful type system, but as a result it has some quirks, some would say cursed expressions. There’s a test file, weird-expr.rs , in the rust repository that tests for some of these and makes sure there consistent between updates. So I wanted to go over each of these and explain how it’s valid rust.
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Parameterized types in C using the new tag compatibility rule
C23 has a new rule for struct, union, and enum compatibility finally appearing in compilers starting with GCC 15, released this past April, and Clang later this year. The same struct defined in different translation units (TU) has always been compatible — essential to how they work. Until this rule change, each such…
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Why is the Rust compiler so slow?
I spent a month repeatedly building my website in Docker, and now have horrors to share.
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I Switched from Flutter and Rust to Rust and Egui
This is just a personal experience, there are no absolute truths. Like in any other blog post, a lot of the things you'll read here could be just a skill issue, or legitimate issues. It's up to you to decide.
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Python can run Mojo now
Chris Lattner mentioned that Python can actually call Mojo code now. I love this idea (!) as I'm definitely in the market for a simple compiled language that can offer Python some really fast functions.
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Homegrown Closures for Uxn
For a week or so now, I've been writing niënor , a "lispy environment for uxn" . I did not want it to become a full-blown lisp but just another way of writing uxntal . Uxntal is a bit too dense for my liking, and I prefer lisp/scheme s-expression syntax. Niënor is just a compiler and a macroexpander that takes in…
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LLMs pose an interesting problem for DSL designers
The most exciting part of Programming Languages (PL) research for me has always been in Programming Language Design.
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Datalog in miniKanren
A browser with Wasm GC and tail call support is required for this demo. We recommend using either Mozilla Firefox or Google Chrome.
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I Wrote a Compiler
I have a Computer Science degree. I attended a whole course of lectures on compilers (and have a certain fondness for “the red dragon book” as a result). However, I had never actually written a compiler from start to finish until a rainy day last weekend.
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The Art of Lisp and Writing (2003)
Lisp is the language of loveliness. With it a great programmer can make a beautiful, operating thing, a thing organically created and formed through the interaction of a programmer/artist and a medium of expression that happens to execute on a computer.
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Implementing Logic Programming
I just think it's neat!
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Self-hosted x86 back end is now default in debug mode
This page contains entries for the year 2025 . Other years are available in the Devlog archive page .
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Smalltalk, Haskell and Lisp
To assist with job interviews at the NRAO we recently wrote a small “contest” program. Without giving away the details, the crux of the problem is
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10 Years of Betting on Rust
I wrote my first line of Rust in June 2015, a month after Rust 1.0 landed. Coming from C, Python, and JavaScript, I never looked back. Two Rust-based startups and 500k lines of Rust later, here are some reflections on the milestone.