| ▲ | delta_p_delta_x 2 hours ago |
| > A truly zero-cost abstraction Sadly the MSVC ABI makes std::span and std::string_view a pessimisation: https://github.com/tringi/win64_abi_call_overhead_benchmark https://godbolt.org/z/7baaox7re |
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| ▲ | usrnm an hour ago | parent [-] |
| Sounds like a compiler bug to me. It is a valid reason to avoid them in some rare cases right now, but it doesn't make the feature itself bad |
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| ▲ | j16sdiz an hour ago | parent [-] | | Those are ABI. Unless it is inlining them, the overhead is to stay. | | |
| ▲ | usrnm 2 minutes ago | parent [-] | | ABI changes do happen. gcc had an ABI change in std::string because of C++11. It was long and painful, but everyone survived, the world did not end |
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