Re:Functional programming in C++ (2012)
by petters on Monday December 28, 2020 @06:12PM
(#25564442)
In C++20, e.g. std::vector is constexpr, so this keyword may be similar to your hypothetical "pure" soon.
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Or maybe "consteval," which I was not aware of: http://www.open-std.org/jtc1/sc22/wg21/docs/papers/2018/p107...