13eholder/m15-anti-pattern
m15-anti-pattern/SKILL.md
Common C++ Anti-Patterns. Triggers: global variables, new/delete, C-style cast, macros, void*.
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Last scanned: Mar 24, 2026, 5:04 PM40.4s2 files scanned
SKILL.md
- name:
- m15-anti-pattern
- description:
- Common C++ Anti-Patterns. Triggers: global variables, new/delete, C-style cast, macros, void*.
C++ Anti-Patterns
Core Question
Is this C or C++?
- C-Style:
malloc,free,(int)x,void*. - C++ Style:
std::vector,std::unique_ptr,static_cast, templates.
Error → Design Question
| Issue | Design Question |
| -------------------- | --------------------------------- |
| Hard to refactor | Are you using Macros? |
| Leak | Are you using new? |
| UB | Are you using reinterpret_cast? |
Thinking Prompt
-
Can I delete this
new?- Use
make_unique.
- Use
-
Can I remove this macro?
- Use
constexpror templates.
- Use
Quick Reference
| Anti-Pattern | Modern Fix |
| ------------------ | ------------------------- |
| new T | make_unique<T> |
| T* ownership | unique_ptr<T> |
| (T)ptr | static_cast<T>(ptr) |
| #define | constexpr |
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