{
  "id": 5819155,
  "title": "C++26: std::hive",
  "url": "https://urgent.news/2026/09/05/c-26-std-hive",
  "topic": "tech",
  "section": "Tech",
  "published": "2026-09-05T18:46:39.000Z",
  "source": {
    "name": "Lobsters",
    "slug": "lobsters",
    "url": "https://www.sandordargo.com/blog/2026/09/02/cpp26-hive"
  },
  "original_language": "en",
  "account": null,
  "summary": "The report discusses the introduction of std::hive in C++26, a new container that offers a unique combination of stability, efficiency, and cache locality. Unlike traditional containers like std::vector and std::list, std::hive uses multiple memory blocks instead of a single contiguous allocation. This design choice allows for O(1) amortized insertion and erasure operations while maintaining stable pointers and iterators. The key features of std::hive include multiple memory blocks, a skipfield for efficient iteration past erased elements, and slot reuse for subsequent insertions. These design decisions make std::hive particularly suitable for applications like game engines, where multiple subsystems need to hold cross-references to entities without invalidating pointers and iterators. The skipfield, which encodes the run length of consecutive erased slots, enables efficient iteration without the performance issues associated with boolean \"is-alive\" flags.",
  "key_points": [],
  "editors_take": null,
  "illustration": null,
  "coverage": {
    "outlets": 1,
    "also_reported_by": []
  },
  "ai_generated": true,
  "disclaimer": "Summaries, key points and the editor’s take are written by software from other outlets’ reporting and may contain errors — always check the linked original."
}