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3.1 KiB
3.1 KiB
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 | ||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| cpp-booleans-expressions | C++ Boolean Expressions | Programming_Language | draft | conceptual |
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B | 0.84 | 2026-07-04 | 2026-07-04 |
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CPP Boolean Expressions
🎯 한 줄 통찰 (One-line insight)
The source explicitly frames boolean expressions as "the foundation of decision making in programming" — not just a data-comparison mechanism, but the literal MECHANISM by which a program "decides what to do," directly foreshadowing the entire upcoming Conditions section, which is really just boolean expressions wired into if/else branches. [S1]
🧠 핵심 개념 (Core concepts)
- Boolean expression — code that compares values/variables and returns
1(true) or0(false). [S1] - Comparisons work on both literals and variables —
cout << (x > y);andcout << (10 > 9);behave identically. [S1] - Storing a comparison in a bool variable —
bool isGreater = x > y;makes reused/complex conditions more readable. [S1]
📖 세부 내용 (Details)
- Greater-than comparison on variables:
int x = 10; int y = 9; cout << (x > y); // 1. [S1] - Equal-to comparison on a literal:
cout << (10 == 15); // 0. [S1] - Storing a comparison result:
int x = 10; int y = 9; bool isGreater = x > y; cout << isGreater; // 1. [S1]
⚖️ 모순 및 업데이트 (Contradictions & updates)
- 현재까지 발견된 모순 사항 없음 (No contradictions found in available sources).
🛠️ 적용 사례 (Applied in summary)
현재 발견된 실제 적용 사례가 없습니다 — 비교 결과를 bool 변수에 저장해 재사용하는 패턴이 코드 가독성을 높이는 실전 습관으로 권장된다. [S1]
💻 코드 패턴 (Code patterns)
Storing a comparison's result in a bool variable for readability (C++):
int x = 10;
int y = 9;
bool isGreater = x > y;
cout << isGreater; // returns 1 (true)
✅ 검증 상태 및 신뢰도
- 상태: draft
- 검증 단계: conceptual
- 출처 신뢰도: B (W3Schools — widely used educational reference, not a primary standards body)
- 신뢰 점수: 0.84
- 중복 검사 결과: 신규 생성 (New discovery)
🔗 지식 그래프 (Knowledge Graph)
- 상위/루트: C++ Tutorial
- 관련 개념: CPP Booleans, CPP Booleans RealLife, C Booleans
- 참조 맥락: 불리언 표현식 — 불리언 실전 예제(Booleans RealLife) 챕터로 이어짐.
📚 출처 (Sources)
- [S1] W3Schools — C++ Boolean Expressions — https://www.w3schools.com/cpp/cpp_booleans_expressions.asp
📝 변경 이력 (Change history)
- 2026-07-04: Initial draft synthesized from the W3Schools "C++ Boolean Expressions" page (Astra wiki-curation, P-Reinforce v3.1 format).