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2nd/10_Wiki/Topics/Programming & Language/Discriminated Unions.md
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---
id: wiki-2026-0508-discriminated-unions
title: Discriminated Unions
category: 10_Wiki/Topics
status: duplicate
canonical_id: discriminated-unions
duplicate_of: "[[Discriminated_Unions]]"
aliases: []
source_trust_level: A
confidence_score: 0.9
verification_status: redirected
tags: [duplicate, typescript, types]
last_reinforced: 2026-05-10
github_commit: pending
---
# Discriminated Unions
> **이 문서는 [[Discriminated_Unions]] 의 중복본입니다.** Canonical 문서로 redirect.
## 핵심 요약
- Tagged union — 매 common literal property (e.g. `kind`, `type`) 의 narrowing.
- TypeScript 의 exhaustive check (`never` assertion) 의 강력한 패턴.
- Sum type 의 ML/Rust enum 과 매 동치.
## 🔗 Graph
- 부모: [[Discriminated_Unions]] (canonical)
## 🕓 변경 이력
| 날짜 | 변경 |
|---|---|
| 2026-05-08 | Phase 1 |
| 2026-05-10 | 중복 처리 — canonical 문서로 redirect |