---
id: wiki-2026-0508-discriminated-unions
title: Discriminated Unions
category: 10_Wiki/Topics
status: duplicate
canonical_id: wiki-2026-0508-api-응답-및-상태-모델링-state-modeling-a
duplicate_of: "[[API 응답 및 상태 모델링 (State Modeling and API Responses)]]"
aliases: [discriminated union, tagged union, sum type, ADT, exhaustive check]
source_trust_level: A
confidence_score: 0.92
verification_status: redirected
tags: [duplicate, typescript, type-system]
last_reinforced: 2026-05-10
github_commit: pending
---

# Discriminated Unions

> **이 문서는 [[API 응답 및 상태 모델링 (State Modeling and API Responses)]] 의 sub-concept 입니다.** Canonical 문서로 redirect.

## 핵심 요약
- 매 sum type with 매 explicit tag.
- 매 type guard + 매 exhaustive check.
- 매 Result type + 매 state machine 의 base.

## 🔗 Graph
- 부모: [[API 응답 및 상태 모델링 (State Modeling and API Responses)]] (canonical)

## 🕓 변경 이력
| 날짜 | 변경 |
|---|---|
| 2026-05-08 | Phase 1 |
| 2026-05-10 | 중복 처리 |