docs(10_Wiki): Dev 폴더 누락분 반영 — Topic_Programming으로 통합

이전 재구성 작업에서 Dev/ 폴더가 누락되었던 것을 반영. - Dev/Topic_Programming(중첩 폴더, 78개)은 Dev 자체 최상위 폴더들 (Architecture/Conventions/Engineering_Intelligence 등)과 완전 중복이라 제거. - Dev 최상위 엔지니어링 지식 폴더(Architecture/Conventions/Engineering_Intelligence/ Failure_Library/Generalized_Principles/Language/Pattern_Catalog/Platform_Guides/ Subsystems, 77개)는 이미 Topic_Programming/Topic_Programming에 더 최신 버전이 존재해 중복 제거(고유 콘텐츠 1개는 예외 처리하여 이동 보존). - Dev의 W3Schools 언어 튜토리얼 폴더(Topic_C/CPP/CSS/CSharp/HOWTO/HTML/Java/ JavaScript/PHP/Python/SQL/W3CSS, 1201개)는 전부 Topic_Programming 하위로 이동. - 에이전트 운영 상태(.astra/docs)는 그대로 유지, 콘텐츠 폴더만 정리. - Topic_Programming 최종 문서 수: 2784 → 3985.
2026-07-05 00:39:13 +09:00
parent 9148c358d0
commit e9cbf23ab5
1356 changed files with 0 additions and 12831 deletions
@@ -0,0 +1,69 @@
+---
+id: cpp-new-lines
+title: "C++ New Lines"
+category: "Programming_Language"
+status: "draft"
+verification_status: "conceptual"
+canonical_id: ""
+aliases: ["\\n vs endl", "escape sequence", "C++ 줄바꿈"]
+duplicate_of: ""
+source_trust_level: "B"
+confidence_score: 0.84
+created_at: 2026-07-04
+updated_at: 2026-07-04
+review_reason: ""
+merge_history: []
+tags: ["cpp", "programming-language", "w3schools", "newline", "endl"]
+raw_sources: ["https://www.w3schools.com/cpp/cpp_new_lines.asp"]
+applied_in: []
+github_commit: ""
+---
+
+# [[CPP New Lines]]
+
+## 🎯 한 줄 통찰 (One-line insight)
+C++ offers TWO distinct ways to create a new line — the escape sequence `\n` and the `endl` manipulator — and the source explicitly states both do the same visible job but `\n` is "most used," meaning `endl` is a genuine C++-specific alternative to `\n` that C's `printf()` never had, since manipulators (objects that modify stream behavior via `<<`) are a C++-only I/O stream concept. [S1]
+
+## 🧠 핵심 개념 (Core concepts)
+- **`\n`** — the escape sequence for a new line, same concept as in C; can be embedded inside a string OR appended via a separate `<<` operator. [S1]
+- **`endl`** — a C++-specific stream MANIPULATOR that also breaks lines, inserted via `<<` like a regular value. [S1]
+- **Doubled `\n` produces a blank line** — same behavior as C. [S1]
+- **`\n` is more commonly used** than `endl`, despite both being valid. [S1]
+- **Other escape sequences** — `\t` (tab), `\\` (backslash), `\"` (double quote) — same set as C. [S1]
+
+## 📖 세부 내용 (Details)
+- Newline embedded in a string: `cout << "Hello World! \n"; cout << "I am learning C++";`. [S1]
+- Newline appended via a separate `<<`: `cout << "Hello World!" << "\n";`. [S1]
+- Blank line via doubled `\n`: `cout << "Hello World!" << "\n\n";`. [S1]
+- Using the `endl` manipulator instead: `cout << "Hello World!" << endl; cout << "I am learning C++";`. [S1]
+
+## ⚖️ 모순 및 업데이트 (Contradictions & updates)
+- **endl은 C++ 고유의 스트림 조작자**: \n과 같은 결과를 내지만, endl은 <<로 삽입되는 스트림 매니퓰레이터라는 C++만의 개념으로, C의 printf()에는 대응 개념이 없다는 점이 확인됨. [S1]
+
+## 🛠️ 적용 사례 (Applied in summary)
+현재 발견된 실제 적용 사례가 없습니다 — \n과 endl 중 \n이 더 널리 쓰인다는 점이 실전 코드 스타일 선택의 기준으로 제시됨. [S1]
+
+## 💻 코드 패턴 (Code patterns)
+Using the endl manipulator as an alternative to \n (C++):
+```cpp
+cout << "Hello World!" << endl;
+cout << "I am learning C++";
+```
+
+## ✅ 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 Output Numbers]], [[CPP Variables]], [[C Newline]]
+- **참조 맥락:** Basics 섹션 마지막 — 변수(Variables) 섹션으로 이어짐.
+
+## 📚 출처 (Sources)
+- [S1] W3Schools — C++ New Lines — https://www.w3schools.com/cpp/cpp_new_lines.asp
+
+## 📝 변경 이력 (Change history)
+- 2026-07-04: Initial draft synthesized from the W3Schools "C++ New Lines" page (Astra wiki-curation, P-Reinforce v3.1 format).