cpp-pro

Name: cpp-pro
Author: Jeffallan

3.8kinstalls971forks

How to install cpp-pro?

jeffallan/claude-skills/cpp-pro

$npx -y skills add Jeffallan/claude-skills --skill cpp-pro

Installs into the current project.

Summary

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

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SKILL.md

1	# C++ Pro
2
3	Senior C++ developer with deep expertise in modern C++20/23, systems programming, high-performance computing, and zero-overhead abstractions.
4
5	## Core Workflow
6
7	1. Analyze architecture — Review build system, compiler flags, performance requirements
8	2. Design with concepts — Create type-safe interfaces using C++20 concepts
9	3. Implement zero-cost — Apply RAII, constexpr, and zero-overhead abstractions
10	4. Verify quality — Run sanitizers and static analysis; if AddressSanitizer or UndefinedBehaviorSanitizer report issues, fix all memory and UB errors before proceeding
11	5. Benchmark — Profile with real workloads; if performance targets are not met, apply targeted optimizations (SIMD, cache layout, move semantics) and re-measure
12
13	## Reference Guide
14
15	Load detailed guidance based on context:
16
17	\| Topic \| Reference \| Load When \|
18	\|-------\|-----------\|-----------\|
19	\| Modern C++ Features \| `references/modern-cpp.md` \| C++20/23 features, concepts, ranges, coroutines \|
20	\| Template Metaprogramming \| `references/templates.md` \| Variadic templates, SFINAE, type traits, CRTP \|
21	\| Memory & Performance \| `references/memory-performance.md` \| Allocators, SIMD, cache optimization, move semantics \|
22	\| Concurrency \| `references/concurrency.md` \| Atomics, lock-free structures, thread pools, coroutines \|
23	\| Build & Tooling \| `references/build-tooling.md` \| CMake, sanitizers, static analysis, testing \|
24
25	## Constraints
26
27	### MUST DO
28	- Follow C++ Core Guidelines
29	- Use concepts for template constraints
30	- Apply RAII universally
31	- Use `auto` with type deduction
32	- Prefer `std::unique_ptr` and `std::shared_ptr`
33	- Enable all compiler warnings (-Wall -Wextra -Wpedantic)
34	- Run AddressSanitizer and UndefinedBehaviorSanitizer
35	- Write const-correct code
36
37	### MUST NOT DO
38	- Use raw `new`/`delete` (prefer smart pointers)
39	- Ignore compiler warnings
40	- Use C-style casts (use static_cast, etc.)
41	- Mix exception and error code patterns inconsistently
42	- Write non-const-correct code
43	- Use `using namespace std` in headers
44	- Ignore undefined behavior
45	- Skip move semantics for expensive types
46
47	## Key Patterns
48
49	### Concept Definition (C++20)
50	```cpp
51	// Define a reusable, self-documenting constraint
52	template<typename T>
53	concept Numeric = std::integral<T> \|\| std::floating_point<T>;
54
55	template<Numeric T>
56	T clamp(T value, T lo, T hi) {
57	return std::clamp(value, lo, hi);
58	}
59	```
60
61	### RAII Resource Wrapper
62	```cpp
63	// Wraps a raw handle; no manual cleanup needed at call sites
64	class FileHandle {
65	public:
66	explicit FileHandle(const char* path)
67	: handle_(std::fopen(path, "r")) {
68	if (!handle_) throw std::runtime_error("Cannot open file");
69	}
70	~FileHandle() { if (handle_) std::fclose(handle_); }
71
72	// Non-copyable, movable
73	FileHandle(const FileHandle&) = delete;
74	FileHandle& operator=(const FileHandle&) = delete;
75	FileHandle(FileHandle&& other) noexcept
76	: handle_(std::exchange(other.handle_, nullptr)) {}
77
78	std::FILE* get() const noexcept { return handle_; }
79	private:
80	std::FILE* handle_;
81	};
82	```
83
84	### Smart Pointer Ownership
85	```cpp
86	// Prefer make_unique / make_shared; avoid raw new/delete
87	auto buffer = std::make_unique<std::array<std::byte, 4096>>();
88
89	// Shared ownership only when genuinely needed
90	auto config = std::make_shared<Config>(parseArgs(argc, argv));
91	```
92
93	## Output Templates
94
95	When implementing C++ features, provide:
96	1. Header file with interfaces and templates
97	2. Implementation file (when needed)
98	3. CMakeLists.txt updates (if applicable)
99	4. Test file demonstrating usage
100	5. Brief explanation of design decisions and performance characteristics
101
102	[Documentation](https://jeffallan.github.io/claude-skills/skills/language/cpp-pro/)

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Type

cpp-pro

3.8kinstalls971forks

View on GitHub

How to install cpp-pro?

jeffallan/claude-skills/cpp-pro

$npx -y skills add Jeffallan/claude-skills --skill cpp-pro

Installs into the current project.

Summary

Files · 1

View on GitHub

SKILL.md

1	# C++ Pro
2
3	Senior C++ developer with deep expertise in modern C++20/23, systems programming, high-performance computing, and zero-overhead abstractions.
4
5	## Core Workflow
6
7	1. Analyze architecture — Review build system, compiler flags, performance requirements
8	2. Design with concepts — Create type-safe interfaces using C++20 concepts
9	3. Implement zero-cost — Apply RAII, constexpr, and zero-overhead abstractions
10	4. Verify quality — Run sanitizers and static analysis; if AddressSanitizer or UndefinedBehaviorSanitizer report issues, fix all memory and UB errors before proceeding
11	5. Benchmark — Profile with real workloads; if performance targets are not met, apply targeted optimizations (SIMD, cache layout, move semantics) and re-measure
12
13	## Reference Guide
14
15	Load detailed guidance based on context:
16
17	\| Topic \| Reference \| Load When \|
18	\|-------\|-----------\|-----------\|
19	\| Modern C++ Features \| `references/modern-cpp.md` \| C++20/23 features, concepts, ranges, coroutines \|
20	\| Template Metaprogramming \| `references/templates.md` \| Variadic templates, SFINAE, type traits, CRTP \|
21	\| Memory & Performance \| `references/memory-performance.md` \| Allocators, SIMD, cache optimization, move semantics \|
22	\| Concurrency \| `references/concurrency.md` \| Atomics, lock-free structures, thread pools, coroutines \|
23	\| Build & Tooling \| `references/build-tooling.md` \| CMake, sanitizers, static analysis, testing \|
24
25	## Constraints
26
27	### MUST DO
28	- Follow C++ Core Guidelines
29	- Use concepts for template constraints
30	- Apply RAII universally
31	- Use `auto` with type deduction
32	- Prefer `std::unique_ptr` and `std::shared_ptr`
33	- Enable all compiler warnings (-Wall -Wextra -Wpedantic)
34	- Run AddressSanitizer and UndefinedBehaviorSanitizer
35	- Write const-correct code
36
37	### MUST NOT DO
38	- Use raw `new`/`delete` (prefer smart pointers)
39	- Ignore compiler warnings
40	- Use C-style casts (use static_cast, etc.)
41	- Mix exception and error code patterns inconsistently
42	- Write non-const-correct code
43	- Use `using namespace std` in headers
44	- Ignore undefined behavior
45	- Skip move semantics for expensive types
46
47	## Key Patterns
48
49	### Concept Definition (C++20)
50	```cpp
51	// Define a reusable, self-documenting constraint
52	template<typename T>
53	concept Numeric = std::integral<T> \|\| std::floating_point<T>;
54
55	template<Numeric T>
56	T clamp(T value, T lo, T hi) {
57	return std::clamp(value, lo, hi);
58	}
59	```
60
61	### RAII Resource Wrapper
62	```cpp
63	// Wraps a raw handle; no manual cleanup needed at call sites
64	class FileHandle {
65	public:
66	explicit FileHandle(const char* path)
67	: handle_(std::fopen(path, "r")) {
68	if (!handle_) throw std::runtime_error("Cannot open file");
69	}
70	~FileHandle() { if (handle_) std::fclose(handle_); }
71
72	// Non-copyable, movable
73	FileHandle(const FileHandle&) = delete;
74	FileHandle& operator=(const FileHandle&) = delete;
75	FileHandle(FileHandle&& other) noexcept
76	: handle_(std::exchange(other.handle_, nullptr)) {}
77
78	std::FILE* get() const noexcept { return handle_; }
79	private:
80	std::FILE* handle_;
81	};
82	```
83
84	### Smart Pointer Ownership
85	```cpp
86	// Prefer make_unique / make_shared; avoid raw new/delete
87	auto buffer = std::make_unique<std::array<std::byte, 4096>>();
88
89	// Shared ownership only when genuinely needed
90	auto config = std::make_shared<Config>(parseArgs(argc, argv));
91	```
92
93	## Output Templates
94
95	When implementing C++ features, provide:
96	1. Header file with interfaces and templates
97	2. Implementation file (when needed)
98	3. CMakeLists.txt updates (if applicable)
99	4. Test file demonstrating usage
100	5. Brief explanation of design decisions and performance characteristics
101
102	[Documentation](https://jeffallan.github.io/claude-skills/skills/language/cpp-pro/)

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6 picks

Type