variant_visit.cpp

C++•전문가

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C40

C++

초급10

중급10

고급10

전문가5

smart_ptr.cpp

variant_visit.cpp

concept_template.cpp

coroutine_gen.cpp

fold_expression.cpp

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variant_visit.cpp

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std::variant<int, double, std::string> var = 42;↵

std::visit([](auto&& arg) {↵

using T = std::decay_t<decltype(arg)>;↵

if constexpr (std::is_same_v<T, int>)↵

std::cout << "int: " << arg;↵

}, var);

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관련 연습 문제

smart_ptr.cpp concept_template.cpp coroutine_gen.cpp fold_expression.cpp