How to join or concat ranges, C++26

Modern C++ continuously improves its range library to provide more expressive, flexible, and efficient ways to manipulate collections. Usually, when you wanted to concatenate or flatten ranges, you&rsquo;d use raw loops or custom algorithms. With C++&rsquo;s range adaptors, we now have an elegant and efficient way to process collections lazily without unnecessary allocations. In this post, we will…