Inside STL: The deque, implementation – The Old New Thing – Microsoft Developer Blogs https://t.co/yJEjvReClr on The gcc implementation doesn't believe in spare blocks; it frees blocks as soon as they become empty. The clang and Visual C++ implementations hold ... https://t.co/UirCAZ7wcw on https://twitter.com/AcerboLivio/status/1690875980112338944