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data-over-abstractions

100 functions on one data structure beats 10 functions on 10 structures. Generic data and operations enable composition.

  • Skills
  • Productivity
  • 0

What it does and how to use it

A skill that teaches Claude Code to do productivity tasks well. It is packaged knowledge the model uses whenever it is relevant.

  1. Install the skill (command above).
  2. In Claude Code, describe what you need - the skill turns on by itself when the context fits.
  3. No commands to memorize: you talk in plain language and the skill does the rest.

Install (Claude Code)

mkdir -p .claude/skills/data-over-abstractions && curl -fsSL https://doutorai.pt/data/lib/skills__data-over-abstractions.md -o .claude/skills/data-over-abstractions/SKILL.md

Paste this command into the terminal, in your project folder, and the component installs automatically.

Content

---
description: 100 functions on one data structure beats 10 functions on 10 structures. Generic data and operations enable composition.
---

# Data-Oriented Design

## The Core Principle

> "It is better to have 100 functions operate on one data structure than 10 functions on 10 data structures."

Generic operations on generic data structures beat specialized operations on specialized structures.

## Why Custom Abstractions Hurt

Every custom type, wrapper class, or specialized structure:
- Adds a concept to understand
- Requires its own operations
- Limits composition with other code
- Crea

- 🔒 Full content on the Pro plan (€7.99/month) -

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