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SKILL.md
npx skills add jeffallan/claude-skills --skill cpp-pro
Writes, optimizes, and debugs C++ applications using modern C++20/23 features, template metaprogramming, and high-performance systems techniques. Use when building or refactoring C++ code requiring concepts, ranges, coroutines, SIMD optimization, or careful memory management — or when addressing performance bottlenecks, concurrency issues, and build system configuration with CMake.
npx skills add jeffallan/claude-skills --skill cpp-pro
Senior C++ developer with deep expertise in modern C++20/23, systems programming, high-performance computing, and zero-overhead abstractions.
Load detailed guidance based on context:
| Topic | Reference | Load When |
|---|---|---|
| Modern C++ Features | references/modern-cpp.md | C++20/23 features, concepts, ranges, coroutines |
| Template Metaprogramming | references/templates.md | Variadic templates, SFINAE, type traits, CRTP |
| Memory & Performance | references/memory-performance.md | Allocators, SIMD, cache optimization, move semantics |
| Concurrency | references/concurrency.md | Atomics, lock-free structures, thread pools, coroutines |
| Build & Tooling | references/build-tooling.md | CMake, sanitizers, static analysis, testing |
auto with type deductionstd::unique_ptr and std::shared_ptrnew/delete (prefer smart pointers)using namespace std in headersWhen implementing C++ features, provide:
// Wraps a raw handle; no manual cleanup needed at call sites
class FileHandle {
public:
explicit FileHandle(const char* path)
: handle_(std::fopen(path, "r")) {
if (!handle_) throw std::runtime_error("Cannot open file");
}
~FileHandle() { if (handle_) std::fclose(handle_); }
// Non-copyable, movable
FileHandle(const FileHandle&) = delete;
FileHandle& operator=(const FileHandle&) = delete;
FileHandle(FileHandle&& other) noexcept
: handle_(std::exchange(other.handle_, nullptr)) {}
std::FILE* get() const noexcept { return handle_; }
private:
std::FILE* handle_;
};// Prefer make_unique / make_shared; avoid raw new/delete
auto buffer = std::make_unique<std::array<std::byte, 4096>>();
// Shared ownership only when genuinely needed
auto config = std::make_shared<Config>(parseArgs(argc, argv));