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#oop

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Russian developer Yegor from yegor256.com uses a simple example of two similar approaches to modeling an action, and their implications from an object-oriented design and programming patterns perspective. One of the two approaches provides superior extensibility, data encapsulation, and more flexible error handling.

"remove(42) vs. find(42).remove()"

yegor256.com/2025/06/22/retrie

The LOOPS primer, published in 1987, captured well the essence of exploratory programming in Lisp:

The LOOPS interface provides both a programming tool and a thinking tool. As you develop a new system, each preliminary version provides an object for thought and discussion. The preliminary versions are a crucial part of the design process.

LOOPS (Lisp Object-Oriented Programming System) is the OOP extension of Interlisp.

bitsavers.org/pdf/xerox/interl

#commonLisp #programming #amop #mop #metaobjectProtocol #exercise #closette #learnToCode (my own experience) #oop
screwlisp.small-web.org/amop/e

Today I simply share and solve (hopefully!) The Art of the Metaobject Protocol exercise 1.1

(the softball generic classes #memoization exercise from chapter 1)

I just added a lexical closure of hash tables.

@simoninireland wrote about the art of the metaobject protocol in his #lisp bibliography a year ago. simondobson.org/2024/07/23/the

screwlisp.small-web.orgArt of the metaobject protocol Exercise 1.1: Memoize Closette apply-generic-function

New Kitten Release 🥳

kitten.small-web.org

(Run `kitten update` to update your dev machines. Production machines will automatically update in a couple of hours.)

• You can now add a generic script block to your markdown pages (see mastodon.ar.al/@aral/114432417)

• Markdown pages can now be `KittenPage` instances and attach `KittenComponent` instances (so you get a full server-side component hierarchy with an event-based workflow; ideal for authenticated pages where you can be use only the author of the page will be accessing them and thus the additional memory and processing overhead are not issues. Isn’t the Small Web great? Only having instances of one makes it possible to optimise so many things for the human experience instead of vertical scale of the data farming machine.)

• Two new examples showcase the new features: codeberg.org/kitten/app/src/br and codeberg.org/kitten/app/src/br

• Attributes with object values are no longer serialised into the DOM (but your components’ render functions will continue to receive them, of course.) This is because only string values make sense for attributes in the context of the HTML DOM. (You can still, of course, have stringified representations of objects in attributes, as used by the `data` attribute to pass data from nodes to event handers on the server.)

kitten.small-web.orgKitten: Home

one of my favorite quotes about #OOP is that a class hierarchy isn't made to unleash your inner Linnaeus ;) - but this most certainly is: jillianhess.substack.com/p/car - cute lil video about Linnaeus' note taking system. (As a german political scientist I'm course Luhmann's Zettelkasten inspired 😂) Cool bits of information design however - If you love Tufte's book, you'll love this :))

Noted · Carl Linnaeus's Note-Taking InnovationsBy Jillian Hess

🔍 Bounded Context: Problem oder Lösung?

In @ewolff zweitem Talk auf der #OOP in #München spielen Bounded Contexts eine zentrale Rolle. Dabei werden drei Bedeutungen aufgezeigt: als fachliche Geltungsbereiche, technische Module und Aufgabenbereiche von Teams. Diese vielseitigen Definitionen können jedoch auch zu Verwirrung und erhöhter Komplexität in Projekten führen.

Link zum vollständigen Beitrag: swaglab.rocks/bounded-context-

If you really must have plain #Perl #OOP methods with the same name that differ because of their argument signatures (also somewhat analogous to C++ function overloading), you can use Class::MultiMethods: metacpan.org/pod/Class::Multim

More from @manwar (including native #RakuLang multimethods) here: gist.github.com/manwar/db11c8e

#programming #coding #SoftwareDevelopment fosstodon.org/@manwar/11407695

MetaCPANClass::MultimethodsSupport multimethods and function overloading in Perl