sizeof operator - cppreference.com
https://en.cppreference.com/w/cpp/language/sizeof
WebJun 26, 2023 · sizeof(signedchar) sizeof(unsignedchar) sizeof(std::byte) (since C++17) sizeof(char8_t) (since C++20) sizeof cannot be used with function types, incomplete types, or bit-field lvalues(until C++11)glvalues(since C++11) . When applied to a reference type, the result is the size of the referenced type. When applied to a class type, the result is ...
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