user-defined-literals - w3toppers.com

What new capabilities do user-defined literals add to C++?

At first sight, it seems to be simple syntactic sugar. But when looking deeper, we see it’s more than syntactic sugar, as it extends the C++ user’s options to create user-defined types that behave exactly like distinct built-in types. In this, this little “bonus” is a very interesting C++11 addition to C++. Do we really … Read more

Conveniently Declaring Compile-Time Strings in C++

I haven’t seen anything to match the elegance of Scott Schurr’s str_const presented at C++ Now 2012. It does require constexpr though. Here’s how you can use it, and what it can do: int main() { constexpr str_const my_string = “Hello, world!”; static_assert(my_string.size() == 13, “”); static_assert(my_string[4] == ‘o’, “”); constexpr str_const my_other_string = my_string; … Read more