variadic-tuple-types

Type variadic functions with tuple types and rest parameters in TypeScript.

Updated Jul 17, 2017
One-click install
npx skills add https://github.com/luyi985/lyi-bash --skill variadic-tuple-types
Or copy as Structured Prompt for Agent
Please help me install this Agent Skill.
Skill: variadic-tuple-types
Source: https://github.com/luyi985/lyi-bash/tree/main/ai/skills/variadic-tuple-types
Command: npx skills add https://github.com/luyi985/lyi-bash --skill variadic-tuple-types

SYSTEM DOCUMENTATION & REQUIREMENTS

What problem does it solve?

TypeScript developers struggle to precisely type variadic functions and preserve argument types across transformations.

Core Features & Use Cases

  • Precise typing of variadic functions using tuple types and rest parameters
  • Preservation of tuple length through transformations and pipelines
  • Support for generic utilities like tail, compose, and curry with type safety

Quick Start

Create a TypeScript function that preserves argument types using a variadic tuple.

Frequently Asked Questions about variadic-tuple-types

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

FAQPage Schema
How do I type variadic functions in TypeScript while preserving argument types?

Type variadic functions using tuple types and rest parameters to preserve argument types across transformations. This approach enforces safe generics and tuple constraints like T extends any[], preventing untyped any and ensuring type-safe transformations.

What's the best way to preserve tuple length through TypeScript function pipelines?

Preserve tuple length through pipelines by applying variadic tuple types to rest parameters. This maintains precise typing across transformations, ensuring that generic utilities like tail, compose, and curry execute with strict type safety.

Can I use tuple constraints to type-safe generic utilities like compose and curry?

Yes, you can type generic utilities like tail, compose, and curry by enforcing tuple constraints such as T extends any[]. This prevents the use of untyped any and enables precise type-safe transformations across functional pipelines.

Why does my TypeScript variadic function lose type safety when using rest parameters?

Type safety is lost when rest parameters are not strictly typed using variadic tuple types. Applying tuple constraints and safe generics ensures that argument types are precisely preserved across transformations, preventing untyped any from compromising the function.

When do I need variadic tuple types for TypeScript function composition?

You need variadic tuple types for function composition when preserving argument types and tuple length across generic pipelines is required. This mechanism enforces safe generics and prevents untyped any, ensuring type-safe transformations across multiple composed utilities.