Several weeks ago I made a thing: cwg-issue-browser.herokuapp.com/cwg1234 is a faster way to browse WG21 Core Working Group issues by number than the official URL www.open-std.org/jtc1/sc22/wg21/docs/cwg_defects.html#1234. Because rather than loading and re-rendering 4 megabytes of text every time you load an issue, this little Heroku app caches those 4 megabytes on the server side and just sends over the little piece you’re interested in.

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Here’s my second post from C++Now 2019!

On Friday morning, Andreas Weis gave a very good summary of how exception handling works in C++. I particularly liked that he didn’t just focus on the Itanium ABI (as I would certainly have been tempted to do), but showed in-depth knowledge of how exception handling works on MSVC and also on embedded platforms. The only thing that could have made Andreas’s talk better would have been if he’d mentioned my “dynamic_cast From Scratch” (CppCon 2017). …

At C++Now 2018, I wrote three blog posts during the conference. This year I was somehow so busy at C++Now that I merely wrote a list of things I ought to blog about once I got the time. So here’s the first one.

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A week-ish ago I discovered Flobnar, an esoteric programming language invented by Chris Pressey circa 2011 and described either as “a functional dual of Befunge-93” or “what happens when you get Befunge-93 drunk.”

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My people and I have come to an agreement which satisfies us both. They are to say what they please, and I am to do what I please.

—Frederick the Great of Prussia (1712–1786)

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Last night I attended the New York City C++ meetup (of which I am now a co-organizer!). Our speaker was JeanHeyd Meneide, giving a sneak preview of his upcoming C++Now talk “The Plan for Tomorrow: Extension Points in C++ Applications.” (By the way, there is still time and space for you to attend C++Now 2019! And your local C++ meetup is always looking for presenters, too!)

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I was all set to write a blog post about hidden friends, and then I realized that it was turning into a blog post largely ranting about ADL. So I figure I should rant about ADL first, and then talk about hidden friends in Part 2.

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Here’s a new integer sequence that does not appear to be in the OEIS yet:

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The other day I ran across the paper “A fork() in the Road” (2019) by Andrew Baumann et al. I highly recommend reading it!

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Today I learned another quirk of C++’s argument-dependent lookup. The standard says:

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Consider the following program (hat tip to Agustín Bergé):

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My father recently forwarded me an article from the Folger Theatre on highlights from the Folger’s Booth collection — “Booth” here being mainly Shakespearean actor Edwin Booth, but also actor and presidential assassin John Wilkes Booth, and their father Junius Brutus Booth (senior).

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Let’s say we were designing C++11’s std::function from scratch. For convenience, I’ll refer to our function-alike class template as F.

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A while back I made a map of all the New York restaurants on Michelin’s 2019 list. Since it might be of general interest, I’m sharing it here.

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As of a couple days ago, the post-Kona mailing is out!

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In a series of previous blog posts, I showed a lot of pretty pictures for the “Peaceful Encampments” problem:

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I love type erasure in C++. But I find every so often I’ll be in a conversation with someone, and they’ll use the phrase, and they won’t mean quite the same thing as I mean, and it’ll take a while before we realize that we’re talking about completely different ideas. So I think it’ll be useful to write down what I mean by the phrase “type erasure” in C++.

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I offer the following concepts to the world in the hope that the world will make them happen. …

Here’s another slogan that needs more currency:

Value category is not lifetime. …

Back in December, Eric Niebler made some waves in the C++ twitterverse with a post titled “Standard Ranges” (2018-12-05). …