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康桓瑋 has asked 104 questions and find answers to 182 problems.

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康桓瑋 questions

Should std::apply only apply to std::tuple?
Ternary operator applied to different lambdas produces inconsistent results
What is the return type of ternary operator applied to 'const char* const&' and 'char* &'?
Under what circumstances is ref_view{E} ill-formed and subrange{E} not?
Why std::ranges::view_interface using CRTP
Why does `zip_view` not support `output_range`?
What is the ideal way to customize the separators and brackets for formatting ranges?
Getting unexpected result when combining [[no_unique_address]] with empty base class inheritance
Combined with C++23 Deducing this and conversion operator with auto return type?
Why does ranges::for_each return the function?

康桓瑋 answers

Why is it not allowed to create a view for `std::owning_view`?
How to find min element using std::ranges::min in C++
Constexpr function that builds an integral value from a list of bits
Implement a type trait for a class template that is true for the actual class template and classes that inherit it
Why doesn't std::ranges::upper_bound accept heterogenous comparing?
Projecting on a std::map with std::ranges::min
requires expression gives compilation error instead of false for std::unique_ptr<void> in C++20
A constexpr function that calculates how deep a std::vector is nested [duplicate]
Generically return a optional<T> / nullopt
Why do `std::ranges::size` require a non-const method when using ADL?