nostr:npub1j4pgkf4mmw5uy7w57dvydrgkaarpdwt0e5w95vjgkshn2av4hs8qz6z0qp nostr:npub16c3wl5l4m7t88y0axaukhp0tx6dx76f7fc0flck380tmxh8gdcysle0e99 I mean for example with ranges that compiles down to iterators which in turn compile down (in the case of contiguous memory) to pointer operations. So the end result is pointer arithmetic with straightforward memory access. I don't think you can get any faster than that.