By 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 |