Design Patterns GoF — FreePascal/Lazarus

Apply Gang of Four design patterns to Free Pascal/Lazarus projects with Pascal examples.

17|7|Updated Mar 26, 2026
One-click install
npx skills add https://github.com/delphicleancode/lazarus-spec-kit --skill design-patterns-gof-freepascal-lazarus
Or copy as Structured Prompt for Agent
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Skill: Design Patterns GoF — FreePascal/Lazarus
Source: https://github.com/delphicleancode/lazarus-spec-kit/tree/main/.gemini/skills/design-patterns
Command: npx skills add https://github.com/delphicleancode/lazarus-spec-kit --skill design-patterns-gof-freepascal-lazarus

SYSTEM DOCUMENTATION & REQUIREMENTS

What problem does it solve?

Implement GoF design patterns in FreePascal/Lazarus with a focus on interfaces, SOLID principles, and clean architecture to produce reusable, maintainable code.

Core Features & Use Cases

  • Covers Creational, Structural and Behavioral patterns with Pascal examples and naming conventions (T/I/E/F/A/L).
  • Demonstrates pattern-driven architectures for decoupled, testable Lazarus applications.
  • Emphasizes memory management practices (try..finally) and ARC usage in interface-based designs.

Quick Start

Apply the included Pascal snippets in a Lazarus project to implement a sample GoF pattern quickly.

Frequently Asked Questions about Design Patterns GoF — FreePascal/Lazarus

High-intent search queries and answers about installing and using this skill.

FAQPage Schema
How do I implement Gang of Four design patterns in FreePascal?

You can implement Gang of Four design patterns in FreePascal by applying interface-based designs and SOLID principles. This approach provides reusable, maintainable solutions using Pascal examples and specific naming conventions like T/I/E/F/A/L.

What is the best way to manage memory with design patterns in Lazarus?

The best way to manage memory with design patterns in Lazarus is using try..finally blocks and ARC usage. This ensures safe, testable code and prevents leaks when applying structural or creational patterns.

How do I use interfaces for decoupled architecture in Object Pascal?

You can use interfaces for decoupled architecture in Object Pascal by applying interface-based design with SOLID principles. This pattern-driven approach creates testable Lazarus applications through strict separation of concerns.

Can I apply SOLID principles and GoF patterns to FreePascal projects?

Yes, you can apply SOLID principles and GoF patterns to FreePascal projects. The implementation covers creational, structural, and behavioral patterns with Object Pascal examples, ensuring safe and testable code.

Does FreePascal support naming conventions for design pattern classes?

FreePascal supports naming conventions for design pattern classes using prefixes like T/I/E/F/A/L. These conventions align with interface-based designs and standard memory management practices for maintainable Lazarus applications.

When do I need interface-based design in Lazarus applications?

You need interface-based design in Lazarus applications when building decoupled, testable architectures. Applying GoF patterns with SOLID principles and ARC memory management ensures your code remains reusable and safe.