algebraic-effects

Name: algebraic-effects
Availability: InStock
Author: rainoftime

Implement algebraic effects with deep and shallow handlers in typed languages.

17|2|Updated Feb 16, 2026

Search Tags:#functional programming #handlers #monads #effects #semantics #type-theory

Ready to run

npx skills add https://github.com/rainoftime/pl-skills --skill algebraic-effects

💬 Prompt for ChatGPT / Claude Chat▼

Please help me install this Agent Skill.
Skill: algebraic-effects
Source: https://github.com/rainoftime/pl-skills/tree/main/algebraic-effects
Command: npx skills add https://github.com/rainoftime/pl-skills --skill algebraic-effects

SYSTEM DOCUMENTATION & REQUIREMENTS

💡 This Skill includes references (resource) components.

What problem does it solve?

This Skill addresses the challenge of managing computational effects (like I/O, state, or exceptions) in a modular and composable way, moving beyond traditional monads.

Core Features & Use Cases

Effect Signature Definition: Define abstract operations for various computational effects.
Effect Handler Implementation: Create functions that interpret and execute these effect operations.
Deep and Shallow Handlers: Supports different handler strategies for flexibility.
Use Case: Implementing a custom async/await system or a sophisticated logging mechanism that can be easily swapped or composed with other effects.

Quick Start

Use the algebraic-effects skill to define a new 'State' effect with get and set operations and implement a handler for it.

Frequently Asked Questions about algebraic-effects

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

FAQPage Schema

How do I manage computational effects in functional programming without using monads?▼

Algebraic effects provide modular computational effects by defining effect signatures and implementing handlers, moving beyond traditional monadic approaches for better composition. This allows you to separate effect operations from their interpretation.

What is the difference between deep and shallow handlers for effect operations?▼

Deep and shallow handlers are two different strategies for interpreting computational effect operations. Deep handlers typically wrap recursive continuations, while shallow handlers manage single-step execution, offering flexibility in effect management.

How do I implement a custom async await system using effect handlers?▼

You can implement a custom async/await system by defining an abstract effect signature for asynchronous operations and creating a handler function that interprets and executes these operations modularly.

Can I perform effect inference when defining effect signatures in typed languages?▼

Yes, effect inference is supported when defining effect signatures and implementing handlers. This allows typed programming languages to automatically deduce the computational effects required by functions.

Why should I use algebraic effects over traditional monads for composable state management?▼

Algebraic effects address challenges in managing composable effects by allowing effect signatures and handlers to be defined and swapped independently. This offers greater modularity than traditional monads, which often require explicit lifting and re-interpretation.