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As you may have heard by now, Ranges got merged and will be part of C++20. This is huge news and represents probably the biggest shift the Standard Library has seen since it was first standardized way back in 1998. Continue reading Standard Ranges
Disclaimer: these are my early thoughts. None of this is battle ready. You’ve been warned. Hello, Coroutines! At the recent C++ Committee meeting in Toronto, the Coroutines TS was forwarded to ISO for publication. That roughly means that the coroutine Continue reading Ranges, Coroutines, and React: Early Musings on the Future of Async in C++
This is the fourth and final post in a series about proxy iterators, the limitations of the existing STL iterator concept hierarchy, and what could be done about it. The first three posts describe the problems of proxy iterators, the Continue reading Iterators++, Part 3
Disclaimer: This is a long, boring post about minutia. For serious library wonks only. This is the third in a series about proxy iterators, the limitations of the existing STL iterator concept hierarchy, and what could be done about it. Continue reading Iterators++, Part 2
In the last post, I described the so-called proxy iterator problem: the fact that iterators that return proxy references instead of real references don’t sit comfortably within the STL’s framework. Real, interesting, and useful iterators fall foul of this line, Continue reading Iterators++, Part 1
Way back in 1999, when the ink on the first C++ standard was still damp, Herb Sutter posed a GoTW puzzler in the still extant C++ Report (RIP): When Is a Container Not a Container? In that article, Herb described Continue reading To Be or Not to Be (an Iterator)
(Difficult-to-grok metaprogramming below. Not for the faint of heart.) At the recent Urbana-Champaign meeting of the C++ Standardization Committee, Bill Seymour presented his paper N4115: Searching for Types in Parameter Packs which, as its name suggests, describes a library facility Continue reading Tiny Metaprogramming Library
Frequent readers of this blog know that over the past year, I’ve been working on a modern range library suitable for standardization, integrating good ideas from hither and thither — particularly from Sean Parent and Andrew Sutton — resulting in Continue reading Ranges, Concepts, and the Future of the Standard Library
I’ve been hard at work fleshing out my range library and writing a proposal to get range support into the standard. That proposal describes a foundational range concept: Iterable. An Iterable is anything we can pass to std::begin() and std::end() Continue reading Ranges in C++: Counted Iterables and Efficiency
In the last two blog posts, I describes the challenges I’ve encountered while building a next-generation range library. In this post, I’ll sketch for you my proposed solution: refinements of the range concepts that allow delimited, infinite, and pair-o’-iterator-style ranges Continue reading Range Concepts, Part 3 of 4: Introducing Iterables