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dtho
on Sept 8, 2023
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Just how constexpr is C++20’s std:string?
The
constructor
of std::string is constexpr in C++20. A runtime call to 'strlen' (or equivalent) can be optimized out by computing the string's length at compile time and initializing the object accordingly.
rewmie
on Sept 9, 2023
[–]
> The constructor of std::string is constexpr in C++20.
If I recall correctly, from C++20 onward all member functions of std::string are constexpr.
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