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3.3 KiB
3.3 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-reallife | C++ Boolean Examples | Programming_Language | draft | conceptual |
|
B | 0.83 | 2026-07-04 | 2026-07-04 |
|
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CPP Boolean Examples
🎯 한 줄 통찰 (One-line insight)
This chapter upgrades a raw 1/0 boolean printout into an if...else statement using the IDENTICAL voting-age scenario and comparison from C's equivalent Booleans RealLife chapter — showing that C++'s conditional syntax (if (myAge >= votingAge) {...} else {...}) is a drop-in replacement for C's, with the only difference being cout << instead of printf() inside the branches. [S1]
🧠 핵심 개념 (Core concepts)
- Raw comparison output —
cout << (myAge >= votingAge);shows 1 or 0, technically correct but not user-friendly. [S1] - The same comparison inside
if...else— produces human-readable output instead of a raw 1/0. [S1] - Booleans as the foundation of conditions — explicitly stated to be the basis for ALL C++ comparisons and conditions, directly foreshadowing the Conditions section. [S1]
📖 세부 내용 (Details)
- Raw comparison output:
int myAge = 25; int votingAge = 18; cout << (myAge >= votingAge); // 1. [S1] - The same logic upgraded into an if...else:
if (myAge >= votingAge) { cout << "Old enough to vote!"; } else { cout << "Not old enough to vote."; }. [S1]
⚖️ 모순 및 업데이트 (Contradictions & updates)
- 현재까지 발견된 모순 사항 없음 (No contradictions found in available sources).
🛠️ 적용 사례 (Applied in summary)
투표 가능 연령(18세) 확인 로직을 raw 1/0 출력에서 if...else로 업그레이드하는 것이 이 챕터가 직접 보여주는 실전 활용 사례이자, 다음 챕터(Conditions)로의 전환점이다. [S1]
💻 코드 패턴 (Code patterns)
The same boolean comparison used inside an if...else for human-readable output (C++):
int myAge = 25;
int votingAge = 18;
if (myAge >= votingAge) {
cout << "Old enough to vote!";
} else {
cout << "Not old enough to vote.";
}
✅ 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: CPP Booleans Expressions, CPP Conditions, C Booleans RealLife
- 참조 맥락: 불리언 섹션 마지막 — 조건문(Conditions) 섹션으로 직접 이어짐.
📚 출처 (Sources)
- [S1] W3Schools — C++ Boolean Examples — https://www.w3schools.com/cpp/cpp_booleans_reallife.asp
📝 변경 이력 (Change history)
- 2026-07-04: Initial draft synthesized from the W3Schools "C++ Boolean Examples" page (Astra wiki-curation, P-Reinforce v3.1 format).