2nd/10_Wiki/Dev/Topic_CSharp/CSharp_Operators_Assignment.md

id, title, category, status, verification_status, canonical_id, aliases, duplicate_of, source_trust_level, confidence_score, created_at, updated_at, review_reason, merge_history, tags, raw_sources, applied_in, github_commit

id	title	category	status	verification_status	canonical_id	aliases	duplicate_of	source_trust_level	confidence_score	created_at	updated_at	review_reason	merge_history	tags	raw_sources	applied_in	github_commit
csharp-operators-assignment	C# Assignment Operators	Programming_Language	draft	conceptual		+= -= *= C# compound assignment C# C# 대입 연산자		B	0.83	2026-07-04	2026-07-04			csharp programming-language w3schools operators assignment	https://www.w3schools.com/cs/cs_operators_assignment.php

CSharp Assignment Operators

🎯 한 줄 통찰 (One-line insight)

All 11 compound assignment operators listed here — including the bitwise ones (&= |= ^= >>= <<=) — are identical in symbol and "same as" expansion to C/C++'s set, confirming that C#'s bitwise operator support (and its assignment-operator shorthand) was inherited wholesale rather than redesigned, despite C# otherwise being a managed, higher-level language than C/C++. [S1]

🧠 핵심 개념 (Core concepts)

• = — basic assignment. [S1]
• += -= *= /= %= — arithmetic compound assignment; each x op= y expands to x = x op y. [S1]
• &= |= ^= — bitwise AND/OR/XOR compound assignment. [S1]
• >>= <<= — bitwise right-shift/left-shift compound assignment. [S1]
• Every compound operator is pure shorthand — no operator introduces new semantics beyond "apply the operation, then reassign." [S1]

📖 세부 내용 (Details)

• Basic assignment: int x = 10;. [S1]
• Addition assignment: int x = 10; x += 5; → x becomes 15. [S1]
• Full expansion table: x = 5 → x = 5; x += 3 → x = x + 3; x -= 3 → x = x - 3; x *= 3 → x = x * 3; x /= 3 → x = x / 3; x %= 3 → x = x % 3; x &= 3 → x = x & 3; x |= 3 → x = x | 3; x ^= 3 → x = x ^ 3; x >>= 3 → x = x >> 3; x <<= 3 → x = x << 3. [S1]

⚖️ 모순 및 업데이트 (Contradictions & updates)

• 비트 연산 대입 연산자까지 C/C++와 동일: &= |= ^= >>= <<=를 포함한 11개 대입 연산자 전체가 C/C++의 집합과 기호·확장 규칙이 동일하다는 점이 확인됨 — C#이 매니지드 런타임 위에서 동작하는 상위 언어임에도 비트 연산 지원을 그대로 계승했음을 보여줌. [S1]

🛠️ 적용 사례 (Applied in summary)

현재 발견된 실제 적용 사례가 없습니다 — x += 5; 하나의 덧셈 대입 예제가 원문에서 제시됨. [S1]

💻 코드 패턴 (Code patterns)

Compound assignment shorthand — identical to C/C++ (C#):

int x = 10;
x += 5;   // same as x = x + 5; -> x is now 15

✅ 검증 상태 및 신뢰도

• 상태: draft
• 검증 단계: conceptual
• 출처 신뢰도: B (W3Schools — widely used educational reference, not a primary standards body)
• 신뢰 점수: 0.83
• 중복 검사 결과: 신규 생성 (New discovery)

🔗 지식 그래프 (Knowledge Graph)

• 상위/루트: C# Tutorial
• 관련 개념: CSharp Operators, CSharp Operators Comparison, CPP Operators Assignment
• 참조 맥락: Operators 섹션 — Comparison Operators 챕터로 이어짐.

📚 출처 (Sources)

• [S1] W3Schools — C# Assignment Operators — https://www.w3schools.com/cs/cs_operators_assignment.php

📝 변경 이력 (Change history)

• 2026-07-04: Initial draft synthesized from the W3Schools "C# Assignment Operators" page (Astra wiki-curation, P-Reinforce v3.1 format).