Design C++ subsystems using arena-first ownership with ObjPool.
npx skills add https://github.com/pg83/std --skill std-design
Please help me install this Agent Skill. Skill: std-design Source: https://github.com/pg83/std/tree/main Command: npx skills add https://github.com/pg83/std --skill std-design
This Skill helps you design C++ subsystems that stay fast, simple, and maintainable by using one owning object pool for lifetime management and data locality.
Ask for a std-style design review of your subsystem and specify the unit of work, ownership boundary, and main objects you want organized around ObjPool.
High-intent search queries and answers about installing and using this skill.
Design C++ subsystems around a single owning object pool by planning the architecture so one ObjPool owns the full object graph, enabling bulk destruction semantics and efficient data locality in one shot. This arena-first ownership model simplifies lifetime boundaries.
The best way to split C++ headers and implementation is keeping public headers light with interface-forward pointers while moving concrete implementations into source files using anonymous namespaces, ensuring clean subsystem boundaries and reducing compile-time dependencies.
Arena allocation improves data locality in C++ object graphs by consolidating object lifetime management into one owning pool. This ensures allocated objects are memory-contiguous, reducing cache misses and enabling bulk destruction teardown instead of individual deallocation.
You can use standard library containers with pooled objects by choosing between pointer vectors, maps, and non-owning string views. This approach avoids fighting standard-library ownership patterns while maintaining efficient memory layout within your subsystem.
This object pool design approach works effectively for networking, parsing, concurrency, and storage subsystems. It requires pool-based allocation and bulk destruction semantics, making it suitable for applications needing clean architectural boundaries and efficient memory layout.
You should not use arena-first ownership when individual object lifetimes must outlast the pool or require granular deallocation. This approach relies on bulk destruction semantics, making it unsuitable for C++ subsystems where objects need independent, scattered lifetimes.
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