康桓瑋

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康桓瑋 has asked 94 questions and find answers to 106 problems.

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康桓瑋 questions

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?
Why can't the compiler use the std::string conversion function of the class when perform operator<<?
The problem of libstdc++‘s implementation of std::declval
How to project elements nestedly in c++20 constrained algorithms?
What is the rationale behind the iterator/sentinel of range adaptors providing the base() accessor?
Why the standard defines borrowed_subrange_t as common_range?
The redundancy of forward_iterator concept?
Why is ranges::basic_istream_view::begin() not cached?

康桓瑋 answers

How do class members behave like functions when used as projections?
std::views::istream with std::views::take
Time complexity of converting std::string to std::string_view
How to write a concept for a move input iterator?
warning: operator delete called on unallocated object
Does C++ allow comparison between std::span::iterators when one span is a subspan of the other?
Inconsistent behavior of std::common_reference_with on tuples. Which is correct?
range parameter for any iterable input with properly convertible elements
How to make ranges::binary_search (heterogeneous search in particualar) work with references
How can I write a std::apply on a std::expected?