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Implement LWG-3701: Make formatter<remove_cvref_t<const charT[N]>, charT> requirement explicit - #2957
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Make `formatter<remove_cvref_t<const charT[N]>, charT>` requirement explicit
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Casey Carter (CaseyCarter)
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LWG
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Nitpicky change. I think it's reasonable that we don't have new test coverage. Since we're enforcing a better requirement than what the standard specifies, the problem cited in the issue isn't a problem for us (https://godbolt.org/z/dsoMseMnh).
EDIT: Oops - I apparently didn't commit the actual comment. For posterity (Nicole asked me in person) I asked for formatter<T[N], ...> and formatter<const T[N], ...> to derive from the same specialization of _Formatter_base since const on the first type parameter doesn't affect _Formatter_base.
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No change requested. I guess we can test this with the (duplicate of) std::formattable concept added by P2286R8. But since this will be tested alongwith P2286R8, it may be not worthy to duplicate such test.
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I'm mirroring this to the MSVC-internal repo - please notify me if any further changes are pushed. |
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Thanks for implementing another LWG issue resolution! 📉 😻 ✅ |
…harT>` requirement explicit (microsoft#2957) Co-authored-by: Nicole Mazzuca <mazzucan@outlook.com>
…harT>` requirement explicit (microsoft#2957) Co-authored-by: Nicole Mazzuca <mazzucan@outlook.com>
Fixes #2953