opencode-workflow/skills/design-patterns/singleton/SKILL.md

Singleton Pattern

Description

Ensure a class has only one instance and provide a global point of access to it.

Use Cases

Load this skill when you need to solve design problems described by this pattern in your code.

Guidelines

1. Analyze whether current code structure matches the pattern's intent.
2. Refactor or implement following the pattern's typical structure.
3. Ensure the pattern introduction reduces coupling or improves flexibility.

Detailed Reference

For more details, diagrams, and code examples: Singleton Pattern - RefactoringGuru