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The recent meeting of the C++ Standardization Committee in Urbana-Champaign was a watershed moment for my work on ranges. Ultimately, my presentation was well received (Herb Sutter used the phrase “palpable excitement” to describe the feeling in the room), but Continue reading Container Algorithms
(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
(Disclaimer: here be esoteric language wonkery. Abandon all hope.) If you read or write Generic-code-with-a-capitol-‘G’, you may have written or seen code like this: using std::swap; swap( a, b ); The first line brings std::swap into consideration, and the second Continue reading Customization Point Design in C++11 and Beyond
Eleven months ago, I began work on an updated range library for modern C++. Yesterday, I submitted a proposal to the C++ standardization committee to add ranges to the Standard Library. The proposal presents a vision for a future Standard Continue reading N4128: Ranges for 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
Here’s a simple question: in C++11 what’s the best way to put debug checks in constexpr functions? Since assert is not constexpr, the obvious doesn’t work: constexpr bool in_range(int val, int min, int max) { assert(min <= max); // OOPS, Continue reading Assert and Constexpr in C++11
The C++ community is suffering from the loss of the cpp-next.com website and all the great content that was once hosted there. In the past 2 months, I’ve gotten many questions both about the site and about the fate of Continue reading Cpp-Next.Com and the Expressive C++ Series
I’ve been busy since I last wrote about ranges. I have a lot of news to share, but in this post, I’m going to narrowly focus on a recent development that has me very excited. It’s a new feature that Continue reading Range Comprehensions
Last time, I introduced a new concept, Iterable, and showed how it solved many of the problems with pair-of-iterator-style ranges. This time around, I’m going to extend Iterable in small ways to make programming with infinite ranges safer and more Continue reading Range Concepts, Part 4 of 4: To Infinity And Beyond