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Cake day: July 3rd, 2023

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  • expr@programming.devtoProgrammer Humor@lemmy.mlI love Rust
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    2 days ago

    Don’t need the Ord instance for equality, just Eq is sufficient. Ord is for inequalities.

    The point of the post is that most mainstream languages don’t provide a way to automatically derive point-wise equality by value, even though it’s pervasively used everywhere. They instead need IDEs to generate the boilerplate rather than the compiler handling it.


















  • I don’t know what you mean by an API standard, but yes, it is technically a JavaScript library. But that’s only an implementation detail and the spirit of htmx is that you write very little JavaScript. Javascript is simply used to extend the HTML standard to support the full concept of hypermedia for interactive applications. An htmx-driven application embraces hypertext as the engine of application state, rather than the common thick client SPAs hitting data APIs. In such a model, clients are truly thin clients and very little logic of their own. Instead, view logic is driven by the server. It has been around for quite a long time and is very mature.

    It’s fundamentally different than most JavaScript libraries out there, which are focused on thick clients by and large.


  • This is something often repeated by OOP people but that doesn’t actually hold up in practice. Maintainability comes from true separation of concerns, which OOP is really bad at because it encourages implicit, invisible, stateful manipulation across disparate parts of a codebase.

    I work on a Haskell codebase in production of half a million lines of Haskell supported by 11 developers including myself, and the codebase is rapidly expanding with new features. This would be incredibly difficult in an OOP language. It’s very challenging to read unfamiliar code in an OOP language and quickly understand what it’s doing; there’s so much implicit behavior that you have to track down before any of it makes sense. It is far, far easier to reason about a program when the bulk of it is comprised of pure functions taking in some input and producing some output. There’s a reason that pure functions are the textbook example of testable code, and that reason is because they are much easier to understand. Code that’s easier to understand is code that’s easier to maintain.