ManageOptionOrResult

Standardize Option and Result types across codebase layers for null-safety.

1|Updated Sep 22, 2025

Search Tags:#pattern #option #guidelines #best-practices #error-handling #types #result

Ready to run

npx skills add https://github.com/pretodev/nice_app --skill manageoptionorresult

💬 Prompt for ChatGPT / Claude Chat▼

Please help me install this Agent Skill.
Skill: ManageOptionOrResult
Source: https://github.com/pretodev/nice_app/tree/main/.trae/skills/ManageOptionResult
Command: npx skills add https://github.com/pretodev/nice_app --skill manageoptionorresult

SYSTEM DOCUMENTATION & REQUIREMENTS

What problem does it solve?

Identify and standardize how to handle optional values (Option) and operation outcomes (Result) across a codebase to reduce null-safety gaps and opaque errors.

Core Features & Use Cases

Enforces Option and Result patterns, mapping Some/None and Ok/Err to clear and predictable control flow.
Provides recommended types, conversion rules (Option<T> -> Result<T> when absence is an error) and patterns (map, flatMap, recover).
Includes guidance for common scenarios: repository interfaces, API services, and UI layer boundaries.

Quick Start

Apply these guidelines to a sample module by converting a nullable fetch to Option and an error path to Err.

Frequently Asked Questions about ManageOptionOrResult

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

FAQPage Schema

What is the best way to standardize Option and Result types for null-safety?▼

The best way to standardize Option and Result types is to enforce explicit typing and clear unwrap/map patterns across repository interfaces, domain services, and UI boundaries. This ensures predictable error management and eliminates null-safety gaps.

How do I convert a nullable fetch to Option and an error path to Result?▼

To convert a nullable fetch to Option and an error path to Result, apply explicit boundary conversions between layers. Convert nullable values to Option<T>, map absence to Err, and use recover patterns to ensure predictable control flow across module boundaries.

How does the Option to Result conversion work when absence is an error?▼

The Option to Result conversion works by mapping Option<T> to Result<T> when absence represents an error. This explicit boundary conversion ensures opaque errors are replaced with clear error management and predictable control flow across your codebase layers.

When do I need explicit Option and Result patterns in my codebase?▼

You need explicit Option and Result patterns when reducing null-safety gaps and opaque errors across repository interfaces, API services, and UI layer boundaries. They ensure predictable error management by forcing explicit handling of optional values and operation outcomes.

Can I use map and flatMap patterns for error handling across API boundaries?▼

Yes, you can use map and flatMap patterns for error handling across API boundaries. These patterns provide recommended conversion rules and clear control flow for managing operation outcomes, ensuring predictable error management between domain services and UI layers.