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The weird of function-local types in Rust
Next-gen compile-time-checked builder generator, named function's arguments, and more!
Top posts
Every blog post that took off on Hacker News, ranked by the votes of its best submission. 1,929 posts.
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Erlang/OTP 24 Release Candidate 1
The official home of the Erlang Programming Language
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Crystal 1.5
We are delivering a new release with several bugfixes and improvements. Below we list the most important or interesting changes, without mentioning several bugfixes and smaller enhancements. For more details, visit the changelog. Breaking changes are marked with ⚠️.
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Programming R at native speed using Haskell (2015)
Software Innovation Lab
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Programming language notation is a barrier to entry
Research in programming languages offers powerful tools, but our systems of notation stymie outsiders. Can we change our notational approach and broaden our audience—without compromising on c…
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What's the point of std:monostate? You can't do anything with it
Not doing anything with it is exactly the point.
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Swift 5 Exclusivity Enforcement
The Swift 5 release enables runtime checking of “Exclusive Access to Memory” by default in Release builds, further enhancing Swift’s capabilities as a safe language. In Swift 4, these runtime checks were only enabled in Debug builds. In this post, I’ll first explain what this change means for Swift developers before…
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JIT and Ruby's MJIT
If you already know lots about JIT in general and Ruby’s MJIT in particular… you may not learn much new in this post. But in case you wonder “what is JIT?” or “what is MJIT?” or “what’s different about Ruby’s JIT?” or perhaps “why in the world did they decide to do THAT?”… Well then, perhaps I can
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Racket v5.3
_posted by Eli Barzilay_ Racket version 5.3 is now available from http://racket-lang.org/ Release Highlights:: Submodules are nested module declarations that can be loaded and run independently from the enclosing module. See also the overview of su...
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Ruby 2.1.3 is released
We are pleased to announce the release of Ruby 2.1.3.This is a patchlevel release of the stable 2.1 series.
1602
DockYard R&D: FireFly Optimizes Your Elixir Compilation
Firefly is an alternative compiler to BEAM, introducing new levels of efficiency and speed for compiling Elixir applications.
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Static Analysis
Nim is in an excellent position to “get married” with static analysis, and it doesn’t have to be based on some intermediate representation but can achieve a solution more similar to Spark.
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Lessons from Mixing Rust and Java: Fast, Safe, and Practical
This article provides a hands-on guide to integrating Rust and Java through the Java Native Interface (JNI).
1605
Compiling to Lua
We use nginx throughout our network for front-line web serving, proxying and traffic filtering. In some cases, we've augmented the core C code of nginx with our own modules, but recently we've made a major move to using Lua in conjunction with nginx. One project that's now almost entirely written in Lua is the new…
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Parser Combinators in Haskell
In this article, we will show you how to implement simple parser combinators from scratch and how to use the Megaparsec library to implement a parser for S-expressions.
1607
Python Is Not C: Take Two
IBM Developer is the source for hands-on training and in-demand learning on relevant technologies such as generative AI, data science, Java, and more.
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Learning COBOL: A Journey for the Modern Programmer (2021)
A guide to learning COBOL for the modern programmer.
1611
The Next Twenty Years of Java: Where We've Been and Where We're Going
1995 was the year AOL floppy disks arrived in the mail, Netscape Navigator was born and the first public version of Java was released. Over the next two...
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Using enums to represent state in Rust
Many Rust beginners with a background in systems programming tend to use bool (or even u8 – an 8-bit unsigned integer type) to represent “state”. For example, how about a bool to indicate whether a user is active or not? struct User { // ... …
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Coming Soon in HHVM
The next HHVM release, 3.6, is on the horizon. We expect it to be released at the very end of February or in early March. It’s going to be a big release. Not...
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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.
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AdaCore Announces Gnat Pro for Rust
For the first time, AdaCore’s GNAT Pro subscribers will be able to develop safety- and security-certifiable embedded applications using Rust while…
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Don't Panic! Better, Fewer, Syntax Errors for LR Parsers
Abstract Syntax errors are generally easy to fix for humans, but not for parsers in general nor LR parsers in particular. Traditional ‘panic mode’ error recovery, though easy to implement and applicable to any grammar, often leads to a cascading chain of errors that drown out the original. More advanced error recovery…