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.
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+---
+id: cpp-function-overloading
+title: "C++ Function Overloading"
+category: "Programming_Language"
+status: "draft"
+verification_status: "conceptual"
+canonical_id: ""
+aliases: ["same name different signature", "overload resolution", "C++ 함수 오버로딩"]
+duplicate_of: ""
+source_trust_level: "B"
+confidence_score: 0.87
+created_at: 2026-07-04
+updated_at: 2026-07-04
+review_reason: ""
+merge_history: []
+tags: ["cpp", "programming-language", "w3schools", "functions", "overloading"]
+raw_sources: ["https://www.w3schools.com/cpp/cpp_function_overloading.asp"]
+applied_in: []
+github_commit: ""
+---
+
+# [[CPP Function Overloading]]
+
+## 🎯 한 줄 통찰 (One-line insight)
+Function overloading is entirely absent from C — C requires a UNIQUE name per function (hence `plusFuncInt`/`plusFuncDouble` as the "without overloading" workaround), while C++ lets MULTIPLE functions share one name (`plusFunc`) as long as their parameter TYPE or COUNT differs, meaning the compiler determines which version to call based on the ARGUMENTS at each call site, not the function name alone — a genuinely new resolution mechanism C never had. [S1]
+
+## 🧠 핵심 개념 (Core concepts)
+- **Function overloading** — multiple functions sharing ONE NAME, differentiated by parameter type and/or count. [S1]
+- **Without overloading (the C-style workaround)** — separate function names (`plusFuncInt`, `plusFuncDouble`) needed for logically identical operations on different types. [S1]
+- **Overloading by type** — `int plusFunc(int x, int y)` and `double plusFunc(double x, double y)` coexist under one name. [S1]
+- **Overloading by parameter count** — `int plusFunc(int x, int y)` and `int plusFunc(int x, int y, int z)` coexist, differentiated purely by how many arguments are passed. [S1]
+
+## 📖 세부 내용 (Details)
+- The C-style workaround requiring separate names: `int plusFuncInt(int x, int y) { return x + y; } double plusFuncDouble(double x, double y) { return x + y; }`. [S1]
+- The same logic unified via overloading: `int plusFunc(int x, int y) { return x + y; } double plusFunc(double x, double y) { return x + y; }` — the compiler picks the right one based on argument types. [S1]
+- Overloading by parameter count: `int plusFunc(int x, int y) { return x + y; } int plusFunc(int x, int y, int z) { return x + y + z; }` — `plusFunc(3, 7)` calls the 2-parameter version, `plusFunc(1, 2, 3)` calls the 3-parameter version. [S1]
+
+## ⚖️ 모순 및 업데이트 (Contradictions & updates)
+- **C에는 전혀 없던 오버로딩 개념**: C는 함수마다 고유한 이름이 필요하지만(plusFuncInt/plusFuncDouble처럼), C++는 매개변수의 타입이나 개수만 다르면 같은 이름을 여러 함수에 재사용할 수 있다는 점이 근본적으로 새로운 개념으로 확인됨. [S1]
+
+## 🛠️ 적용 사례 (Applied in summary)
+int과 double 두 타입에 대해 같은 덧셈 로직을 하나의 plusFunc 이름으로 통합하는 예제가 원문에서 직접 실전 활용 사례로 제시됨. [S1]
+
+## 💻 코드 패턴 (Code patterns)
+One function name overloaded for two different parameter types (C++):
+```cpp
+int plusFunc(int x, int y) {
+  return x + y;
+}
+double plusFunc(double x, double y) {
+  return x + y;
+}
+int main() {
+  int myNum1 = plusFunc(8, 5);        // calls the int version
+  double myNum2 = plusFunc(4.3, 6.26); // calls the double version
+  return 0;
+}
+```
+
+## ✅ 검증 상태 및 신뢰도
+- **상태:** draft
+- **검증 단계:** conceptual
+- **출처 신뢰도:** B (W3Schools — widely used educational reference, not a primary standards body)
+- **신뢰 점수:** 0.87
+- **중복 검사 결과:** 신규 생성 (New discovery)
+
+## 🔗 지식 그래프 (Knowledge Graph)
+- **상위/루트:** [[C++ Tutorial]]
+- **관련 개념:** [[CPP Function Default]], [[CPP Function Multiple]], [[CPP Constructors Overloading]]
+- **참조 맥락:** 함수 오버로딩 — 다중 매개변수(Function Multiple) 챕터로 이어짐, 생성자 오버로딩(Constructors Overloading) 챕터와 직접 연결.
+
+## 📚 출처 (Sources)
+- [S1] W3Schools — C++ Function Overloading — https://www.w3schools.com/cpp/cpp_function_overloading.asp
+
+## 📝 변경 이력 (Change history)
+- 2026-07-04: Initial draft synthesized from the W3Schools "C++ Function Overloading" page (Astra wiki-curation, P-Reinforce v3.1 format).