Last week, the C++ Standards Committee met in San Diego to work on C++20. One of my own main goals was to discuss two papers I wrote making improvements to a new language feature for C++20: operator <=>, also known as the three-way comparison operator but better known as the spaceship opera...

One of my all-time favorite C++ talks is Ben Deane’s Using Types Effectively from CppCon 2016. I like it for a lot of reasons, but for the purposes of this post - I really like the game Ben plays (starting at around the 29m mark) where he gives a function signature of a total function template - ...

… in C++. That seems like a fundamentally wrong statement to make right? C++ has been greatly improving over the last few standards in its direct support for a more functional style of programming. But it’s still much more verbose than necessary to write a simple lambda, it’s surprisingly tricky...

Before C++17, template deduction [basically] worked in two situations: deduction function parameters in function templates and deducing auto for variables/return types in functions. There was no mechanism to deduce template parameters in class templates. The result of that was— whenever you used...

Read it on Medium.

Read it on Medium.

Read it on Medium.

Read it on Medium.

Read it on Medium.

C++17 gave us std::optional which is, in the words of a friend of mine, one of those really simple, ultra complex types — in the sense that it’s very easy to understand and use properly, even for relatively inexperienced programmers… but extremely difficult to implement correctly, even for expert...