Super Thin RAII Wrappers for C Types
12 days ago
- #C Interop
- #RAII
- #C++
- The article discusses creating RAII (Resource Acquisition Is Initialization) wrappers for C types in C++ to enable scope-based destruction.
- Two approaches are presented: using STL smart pointers with custom deleters and creating a custom thin wrapper for better performance.
- The STL solution leverages `shared_ptr` with custom deleters to manage C type resources, providing reference counting and copy prevention.
- A custom wrapper is introduced for scenarios where STL overhead is unacceptable, featuring implicit conversion and operator overloading for direct access to the underlying C type.
- The article acknowledges limitations in template type deduction for constructors and suggests potential future exploration into optimization and inlining.
- Example code demonstrates wrapping a C struct with constructor and destructor functions, showcasing both STL and custom wrapper implementations.