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TypeScript 5.2's new keyword: 'Using'
TypeScript 5.2 introduces 'using', a keyword that disposes anything with a `Symbol.dispose` function upon leaving scope, making resource management easier.
Topics /
Programming Languages
The most popular blog posts about programming languages on Hacker News. 390 posts.
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TypeScript is surprisingly ok for compilers
There are two main historical trends when choosing an implementation language for something compiler-shaped.
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Microfeatures I'd like to see in more languages
There are roughly three classes of language features: Features that the language is effectively designed around, such that you can't add it after the fact....
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When Rust hurts
Why I am not enjoying programming in Rust.
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Elixir and Rust is a good mix
Make your Elixir projects even faster using Rust!
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A look at Unison: a revolutionary programming language
Unison is a pure functional programming language that comes with a few revolutionary ideas. Seriously, it makes everything we’re used to, like long builds, dependency version conflicts, tests that run every single build even when nothing checked by them has changed, manual encoding and serialization of data, and lots…
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How many lines of C it takes to execute a + b in Python
Understand the mechanics of dynamic dispatch implementation in CPython
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Elixir for Humans Who Know Python
A guide to the Elixir programming language for programmers who know Python.
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Why use Pascal?
Object Pascal is a modern, readable, fast, type-safe, cross-platform OOP programming language. It is also easy to pick up.
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Mojo is available for local download
Since our launch of the Mojo programming language on May 2nd, more than 120K+ developers have signed up to use the Mojo Playground and 19K+ developers actively discuss Mojo on Discord and GitHub. Today, we’re excited to announce the next big step in Mojo’s evolution: Mojo is now available for local download …
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A decade of developing a programming language
In 2013, I had an idea: "what if I were to build my programming language?". Back then my idea came down to "an interpreted language that mixes elements from Ruby and Smalltalk", and not much more.
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Java 20 Is Out!
This release is the Reference Implementation of version 20 of the Java SE Platform, as specified by JSR 395 in the Java Community Process.
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Writing a Compiler is Surprisingly Easy (part 1)
Part 1: expressions, arithmetic Part 2: statements, control flow Ever since I was a teenager I wanted to create my own systems pr...
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Type system updates: moving from research into development
A short status update on the effort to bring a type system into Elixir.
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Moving from Rust to C++
Note to readers: this is an April Fools post, intended to satirize bad arguments made against Rust. I have mixed feelings about it now, as I think people who understood the context appreciated the humor, but some people were confused. That’s partly because it’s written in a very persuasive style, and I mixed in some…
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Java 21: The Nice, the Meh, and the Momentous
When Java 17 was released in 2021 as a “long term support” version, I wrote an article dissecting its features and came to the conclusion that it had a few nice features, but none that were compelling reasons to upgrade. Except one: tens of thousands of bug fixes.
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Julia 1.9
Highlights of the Julia 1.9 release.
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My First Impressions of Nix
Nix is a tool for configuring software environments according to source files. I’ve been hearing more and more about Nix on Hacker News and Twitter. The idea of it appeals to me, so I’ve been tinkering with it over the past few weeks. My history with infrastructure as code Ten years ago, I discovered Salt, a tool that…
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Making C++ safe without borrow checking, reference counting, or tracing GC
I've spent most of the last decade exploring this area (mainly to design Vale 's memory safety) and I've discovered some surprising things .
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What the hell is Forth? (2019)
Forth is perhaps the tiniest possible useful interactive programming language. It is tiny along a number of dimensions: The amount of c...
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Thread-per-core
I want to address a controversy that has gripped the Rust community for the past year or so: the choice by the prominent async “runtimes” to default to multi-threaded executors that perform work-stealing to balance work dynamically among their many tasks. Some Rust users are unhappy with this decision, so unhappy that…
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Rust vs. Haskell
Even though Rust and Haskell are quite different languages, they are also surprisingly alike. If you know Rust, you have a head start with Haskell, and vice versa.
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Lisp Badge LE
This is a self-contained low-power computer with its own display and keyboard that you can program in uLisp, a version of the high-level language Lisp for microcontrollers:
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Ericsson to WhatsApp: The Story of Erlang
How a programming language from Sweden powered one of the most valuable startup of the 2010s.
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Racket: Lisp for the modern day
You should give it a try!
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Why Python keeps growing, explained
A deep dive into why more people are using Python than ever, its key use cases, and why it’s still so popular 30-plus years after it was first released.
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LPython: Novel, Fast, Retargetable Python Compiler
About LPython is a Python compiler that can compile type-annotated Python code to optimized machine code. LPython offers several backends such as LLVM, C, C++, WASM, Julia and x86. LPython features quick compilation and runtime performance, as we show in the benchmarks in this blog. LPython also offers Just-In-Time…
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