std::string_view (C++17) std::basic_string_view<char> std::u8string_view (C++20) std::basic_string_view<char8_t> std::u16string_view (C++17) std::basic_string_view<char16_t> std::u32string_view (C++17) std::basic_string_view<char32_t> ...
std::string_view(C++17)std::basic_string_view<char> std::wstring_view(C++17)std::basic_string_view<wchar_t> std::u8string_view(C++20)std::basic_string_view<char8_t> std::u16string_view(C++17)std::basic_string_view<char16_t> ...
3.8std::shared_mutex 3.9std::string_view 3.10std::file_system 3.11std::apply 3.12类型系统 3.13std::optional 3.14std::variant 3.14并行算法库 C++17、C++20等是C++语言的新标准版本。每个新的C++标准版本都引入了新的功能、语法和改进,以满足现代开发的需求并提供更好的开发体验。 C++17是C++语言的第五个...
1)返回std::string_view{str, len}。 2)返回std::u8string_view{str, len}。 3)返回std::u16string_view{str, len}。 4)返回std::u32string_view{str, len}。 5)返回std::wstring_view{str, len}。 参数 str-指向原生字符数组字面量起始的指针 ...
using std::string_view; using std::cout; using std::string; using std::vector; using std::find; using std::search; using std::any; using std::make_pair; using std::pair; using std::any_cast; using std::getline; using std::shared_ptr; ...
Forms a string view of a character literal. 1)Returnsstd::string_view{str, len}. 2)Returnsstd::u8string_view{str, len}. 3)Returnsstd::u16string_view{str, len}. 4)Returnsstd::u32string_view{str, len}. 5)Returnsstd::wstring_view{str, len}. ...
The C++17 std::string_view has a constexpr substr() : https://en.cppreference.com/w/cpp/string/basic_string_view/substr While the absl version of substr() can not be used in a constexpr abseil-cpp/absl/strings/string_view.h Line 385 in 0...
std::string resourcesDirectory = utils::PathUtils::Combine(utils::Runtime::GetDataDir(), utils::StringView<char>("Metadata")); std::string resourceFilePath = utils::PathUtils::Combine(resourcesDirectory, utils::StringView<char>(fileName, strlen(fileName))); ...
这里还有一处和之前不太兼容的特殊的地方,就是通用引用(Universal Reference),就是ArgumentType &&不能匹配std::initializer_list<T>。而我们之前是可以通过std::initializer_list<std::pair<nostd::string_view, common::AttributeValue>>来传递attributes的。 这里为了适配,我们提供了一组MakeAttributes(...)接口,...
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