There was a StackOverflow question recently that led me to want to write a new post about Ranges. Specifically, I wanted to write about some situations in which Ranges do more work than it seems like they should have to. And then what we can do to avoid doing that extra work. I’ll offer solutions — one sane one, which you can already use today, and one pretty crazy one, which is using a language feature we’re still working on designing, which may not even exist in C++29.

Dan Brevik's blog covers a broad range of topics, including web development, programming languages, and software engineering best practices. Readers can find tutorials on front-end frameworks, back-end technologies, and principles for writing clean, maintainable code in various programming languages. Additionally, they can explore articles on software architecture, design patterns, and strategies for improving developer productivity and collaboration.

Barry's C++ Blog

Ranges in C++ can carry more overhead than necessary, resulting from the fixed loop structure and the limitations inherent in the current customization points. The post proposes two solutions: using Flux, a library that offers an enhanced iteration model, and experimenting with Token Sequences, which allows more flexible code generation. Flux implements internal iteration by iterating over ranges with a `for_each` loop, reducing unnecessary overheads, while Token Sequences aim to inject the right loop structure directly into the code.

Using Token Sequences to Iterate Ranges