Implement equality, hashing, and ordering semantics in Effect-TS.
npx skills add https://github.com/andrueandersoncs/claude-skill-effect-ts --skill traits
Please help me install this Agent Skill. Skill: Traits Source: https://github.com/andrueandersoncs/claude-skill-effect-ts/tree/main/skills/traits Command: npx skills add https://github.com/andrueandersoncs/claude-skill-effect-ts --skill traits
Developers often need clear, reliable semantics for equality, hashing, and ordering when working with Effect-TS. This skill provides guidance on implementing Equal, Hash, Equivalence, and Order, ensuring consistent behavior across value objects and collections.
Create a simple Point type using Data.Class and compare two instances for equality.
High-intent search queries and answers about installing and using this skill.
You implement equality and hashing in Effect-TS by using Data.Class to automatically derive Equal and Hash behavior for domain types. This ensures deterministic equality checks across value objects.
To create custom equivalence and ordering in Effect, you compose custom Equivalence and Order trait interfaces. This allows you to define specific comparison strategies for complex data structures and ensure stable sorting.
The best way to compare value objects like Point in Effect is by using Data.Class or Schema.Class. This automatically derives deterministic equality and stable hashing for your types.
Data.Class automatically derives equality and hashing for your defined properties in Effect. You create a simple type like Point, and it handles the structural comparison automatically.
Object equality checks fail in Effect-TS collections when types lack proper Equal and Hash implementations. Using Data.Class ensures consistent behavior across sets and maps by providing derived equality semantics.
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