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Programming Languages

The most popular blog posts about programming languages on Hacker News. 361 posts.

2018
4

Why Does “=” Mean Assignment?

Take the following code: a = 1 a = a + 1 print(a) A common FP critique of imperative programming goes like this: “How can a = a + 1? That’s like saying 1 = 2. Mutable assignment makes no sense.” This is a notation mismatch: “equals” should mean “equality”, when it really means “assign”. I agree with this criticism and…

13

Towards Scala 3

Now that Scala 2.13 is only a few months away, it’s time to consider the roadmap beyond it. It’s been no secret that the work on Dotty over the last 5 years was intended to explore what a new Scala could look like. We are now at a stage where we can commit: Dotty will become Scala 3.0.

19

Falling in love with Rust

Let me preface this with an apology: this is a technology love story, and as such, it’s long, rambling, sentimental and personal. Also befitting a love story, it has a When Harry Met Sally feel to it, in that its origins are inauspicious…

22

Hello wasm-pack

Introducing wasm-pack, a new tool for assembling and packaging Rust crates that target WebAssembly. These packages can be published to the npm Registry and used alongside other packages. This means ...

25

How I Wrote a Modern C++ Library in Rust

Since version 56, Firefox has had a new character encoding conversion library called encoding_rs. It is written in Rust and replaced the old C++ character encoding conversion library called uconv that dated from early 1999. Initially, all the callers of the character encoding conversion library were C++ code, so the…