From: Peter Dimov (pdimov_at_[hidden])
Date: 2024-12-10 00:10:27
Zach Laine wrote:
> One example is digest<>. The docs say, "digest<N> is a constexpr-friendly class
> template similar to std::array<unsigned char, N>. It is used to store the
> resulting message digest of hash algorithms such as SHA2-256 or RIPEMD-
> 160.". So, exactly like C++17 std::array then? :)
Almost. Most of std::array does indeed become constexpr in C++17, except
for comparisons. For those you have to wait until C++20.
digest<> also has operator<< and to_string.