Iterating through keys and values in C++ (with C++20 code) https://lemire.me/blog/2025/04/20/iterating-through-keys-and-values-in-c-with-c20-code/

In software, we often use key-value data structures, where each key is unique and maps to

Streamlined iteration: exploring keys and values in C++20 – Daniel Lemire's blog