effect-handlers-implementer

Implement effect handlers for algebraic effects and resumable exceptions.

17|2|Updated Feb 16, 2026
One-click install
npx skills add https://github.com/rainoftime/pl-skills --skill effect-handlers-implementer
Or copy as Structured Prompt for Agent
Please help me install this Agent Skill.
Skill: effect-handlers-implementer
Source: https://github.com/rainoftime/pl-skills/tree/main/effect-handlers-implementer
Command: npx skills add https://github.com/rainoftime/pl-skills --skill effect-handlers-implementer

SYSTEM DOCUMENTATION & REQUIREMENTS

💡 This Skill includes references (resource) components.

What problem does it solve?

This Skill provides the tools and guidance to implement effect handlers, enabling the creation of sophisticated control flow mechanisms and extensible effect systems.

Core Features & Use Cases

  • Define Effects: Create signatures for custom algebraic effects.
  • Implement Handlers: Write interpretations for defined effects.
  • Manage Continuations: Handle resumable computations.
  • Compose Handlers: Layer multiple handlers for complex scenarios.
  • Use Case: Building a custom logging or state management system within a larger application by defining effects and their corresponding handlers.

Quick Start

Use the effect-handlers-implementer skill to define a 'state' effect with 'get' and 'put' operations and implement a basic handler for it.

Frequently Asked Questions about effect-handlers-implementer

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

FAQPage Schema
How do I implement algebraic effects for custom control flow in Python?

To implement algebraic effects in Python, you define effect signatures for operations like state or I/O, write handler interpretations, and manage resumable continuations to enable custom control flow.

What are effect handlers and how do they manage continuations?

Effect handlers are interpretations for defined algebraic effects that manage continuations by capturing and resuming suspended computations, allowing resumable exceptions and layered interpretations for complex control flow.

How do I compose multiple effect handlers for state and nondeterminism?

You compose multiple effect handlers by layering them to handle different effects like state, I/O, and nondeterminism, enabling extensible effect compositions for complex computational scenarios.

Can I use algebraic effects with Haskell and OCaml for state management?

Yes, you can implement effect handlers for algebraic effects in Haskell and OCaml to build custom state management systems by defining effect signatures and their corresponding handler implementations.

Do I need to understand effect signatures before implementing custom effects?

Yes, implementing custom effects requires understanding effect signatures, handler implementations, and continuation management to properly define and interpret operations for I/O, state, and nondeterminism.

What is the best way to build a custom logging system using extensible effects?

The best way to build a custom logging system with extensible effects is to define a logging effect signature, implement a handler that interprets log operations, and manage continuations for resumable computations.